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Male Symbol.png
Kai (unit).png
Base Stats
Basic Info
Voice Actor

Kai (カイ Kai) is one of the four starting characters in 100% Orange Juice!, that the player can select without paying any Stars Icon.pngStars. He originates from and is the protagonist of 100% Orange Juice!.


Teased for being a generic hero by the rest of the cast and often overlooked by the developers, Kai is a plain, jack of all trades character with a unique stat build. Kai has a single point boost to his attack stat and no other stat or passive related penalties, which is extremely significant, given that he is the only character on the roster to feature the advantage of an attack modifier without a penalty. Consequently, Kai is able to play both aggressively and passively, but the nature of his stats and hyper lean more toward aggression. With 5 health, Kai is able to survive most attacks dealt against him, especially when his health is near full, and his extra attack enables him to both deal with most  Encounter panels with relative ease and deal decent damage to opponents. As a result of his neutral stats and nonspecific purpose, Kai also has the advantage of being able to use most cards, as he neither suffers much nor becomes extremely powerful from any particular card. He can, however, benefit greatly from battle cards such as  Accel Hyper and  Super All-Out Mode when pursuing and  Rbits and  Rainbow-Colored Circle when defending. Lastly, while not fully protected, Kai is mostly immune to  Reverse Attribute Field which is another minor but positive trait the player can take advantage of.

While his stats are unique, Kai's main vulnerability stems from his lack of other modifiers. Although Kai does not feature any noteworthy exploitable weakness, the results the player will yield are completely random due to the lack of certainty provided by neutral stats. Kai's attack stat can carry him through his attack roll, but his lack of defensive modifiers enables the opponent to quickly chip away at his health if the player fails to either KO them quickly or defend well against their counterattack. Consequently, Kai can be defeated through constant combat as he only has neutral survivability without any protective cards. Likewise, Kai's neutral defense and evasion stats are not ideal when facing a  Boss panel or powerful attacks of 6-7, even with his decent HP. Owing to this fact, the player should generally try to avoid slowly progressing multiturn confrontations until they have battle cards in their hand to compensate for the shortcomings of his defensive stats.


Like most characters in the cast, Kai should generally aim for star norma, but he can play either side depending on the player's luck or the board. If the player is having a good run, +1 attack can go a long way, and Kai may eat up a lot of opponents and  Encounter panels. Fortunately, Kai can hold his own on combat-based boards like Tomomo's Abyss and against bully characters thanks to his attack and HP. Like most neutral characters, however, it is generally best practice to play passively unless the opportunity presents itself, and the player should hold onto their hyper and combo it with another card for a power play later in the game. The player should mainly aim for  Bonus panels but should take care to make sure they have cards in their hand for later, especially Kai's hyper.

Unlock Info

  • The character can be purchased in the shop for 1200Stars Icon.png (840Stars Icon.png with 30% off) after beating the first campaign.
  • Acquired for free by choosing Kai as the Main Character.
  • Automatically unlocked if DLC 12 is owned.
  • Can be obtained randomly from a character crate for 100Oranges Icon.pngOranges.


+Good stats all around
+Strong late-game presence
+Mostly immune to  Reverse Attribute Field
-Somewhat card reliant
-High star cost combos
-Low rolls weaken the hyper

Protagonist's Privilege
Protagonist's Privilege.png
When you are allowed to attack first, the opposing unit cannot attack (once per combat)
Hyper Info
20 ★
"This is the privilege of the main character!" - Kai

Kai's hyper is Protagonist's Privilege. When activated, Protagonist's Privilege makes it so that when the unit playing the card initiates a battle, the opposing unit cannot attack. This effect lasts for 3 chapters.


Protagonist's Privilege is an unusual hyper in that it has no blatant damaging or protective effect on its own, relying solely on combat to activate it. While not particularly powerful on its own, the main advantage of Protagonist's Privilege is that it enables the player to take risks and remain safe while doing so, as long as they strike first. For example, the player will be able to enter a  Boss battle with 1 HP and leaving unharmed, as the boss will not get to attack. This method of shielding against the boss is a very common use for the hyper and is advisable in multiple scenarios. Or in another situation, if the player is pursuing a low health opponent, they can keep attacking the opponent until they are KO'd without the chance of being KO'd themselves. To get the best results out of the hyper, the player should generally activate later in the game to help them defeat the boss or weakened opponents, and then possibly pair it with a battle card. Using  Final Battle while the hyper is active will let Kai get a free attack roll against a defending opponent before the combat phase acts as normal and  Accel Hyper can be used to strike the opponent hard. More specialized plays are possible as well, such as using  Dark Side of Business without the risk of retaliation damage after stealing the opponent's stars. Best of all, the player will have 3 chapters to deal as much damage as they can and catch up to far opponents if needed. Overall, the card gives the player a lot of choices, for what they want to accomplish with the card.

Despite its advantages, Protagonist's Privilege is a flawed card, however. Firstly, the hyper is not cheap at a cost of 20 stars, and using powerful combos to bring the card to the maximum potential will often cost the player around 50 stars. Thus, using  President's Privilege is beneficial in lowering the cost but will result in the player using their entire hand to make a combo, leaving them vulnerable if an opponent approaches, especially in the late game. Thus, it may be in the player's best interest to mainly use the card for the Boss. The second and most blatant issue with the card is that unlike other hypers, it does not do anything, as in it does not deal damage or steal stars on its own. If the player wants to take advantage of the hyper, they can only do so through the course of raw combat, not a "super card" that automatically does the heavy lifting for them. Lastly, the most obvious weakness is that Kai must attack first to get the benefit from the effect. As a result, the hyper lacks usefulness when all opponents are behind Kai and leaves a massive window open for the opponents to assault the player even when the hyper is active.


Playing As Kai
  • Similar to bully-type characters, Kai can benefit from cards that cause battles such as  Gentleman's Battle and cards that increase his ATK in battle like  Accel Hyper.
  • Cards that increase Kai's movement such as  Dash! and  Windy Enchantment can be helpful in catching weakened opponents.
Playing Against Kai
  • As Kai's only strength is his extra attack, cards that protect the user such as  Shield and  Shield Counter are effective against him.
  • Cards that cause Kai to lose cards such as  Gift Exchange and  Present Thief are helpful in making Kai lose his hyper, rendering him relatively average.

Recommended Cards

Recommended Viable Neutral

 Lonely Chariot
 Passionate Research
 Final Battle
 Piyopiyo Procession
 Super All-Out Mode
 Little War
 Gentleman's Battle
 Accel Hyper
 Windy Enchantment

 Long-Distance Shot
 Nice Jingle
 Nice Present
 Princess's Privilege
 I'm on Fire!
 Big Magnum
 Mimyuu's Hammer
 Piggy Bank
 Heat 300%
 Sky Restaurant 'Pures'
 For the Future of the Toy Store
 Cloud of Seagulls
 Out of Ammo
 Sealed Guardian
 Completion Reward
 Quick Restoration
 Play of the Gods
 Star-Blasting Light

 Stiff Crystal
 President's Privilege
 Rainbow-Colored Circle
 Dangerous Pudding
 Holy Night
 We Are Waruda
 Forced Revival
 Oh My Friend
 Mix Phenomenon
 Scary Solicitation
 Scrambled Eve
 Unlucky Charm

Counter Cards

Recommended Viable

 Tactical Retreat
 Shield Counter

 Saki's Cookie
 Flip Out
 Reverse Attribute Field
 Bad Pudding
 Go Away
 Tragedy in the Dead of Night
 Sealed Memories
 Here and There
 Gift Exchange
 Brutal Prank
 Present Thief

KaiProtagonist's Privilege
Male Symbol.png
Kai (unit).png
Stat Change (Unlisted)
Role Ranks
Summer2018 role0.png Attacker
Summer2018 role1.png Guardian
Summer2018 role2.png Support
Summer2018 role3.png Avenger
Summer2018 role4.png Dealer

In Co-op mode, Kai doesn't change much, however, his hyper is slightly tweaked, by always enabling him to attack first and his recovery rises.

Role Information


Kai, by default, will perform well as an attacker, given his already buffed attack stat which will be further buffed by the attacker role. His decent HP pool should enable the player to last quite a few combats as well, before his inevitable KO. Unfortunately, Kai will only be able to take advantage of half his hyper as an attacker, as he will always attack first as a result of the role, rendering that part of the hyper useless. The ability to not face a boss's counterattack can be extremely helpful, however, especially if many of the player's allies are currently KO'd.


Kai can work decently well as a guardian thanks to both his hyper and above average HP pool. With 5 HP, he will be able to provide a decent number of shields to allies, and by using his hyper the player can avoid being KO'd by the boss until they can either recover or until the rest of the player's allies have recovered. Even better, the player will also receive an additional defensive boost by using the role and thus increase Kai's survivability.


Supporter is not a great matchup for Kai, as he doesn't have any heavily increased stats on his own, and he will not receive any attack or defense buff as a supporter. While the role does provide a +1 evasion boost, it will not increase the player's survivability much during the late game, and the player will suffer from his lack of damage output.


While viable, avenger is not an ideal role for Kai as a result of his hyper. Given that the point of the role is to receive damage to deal more damage to the boss, it is simply not a very good mix with a hyper that makes the player move first in combat and not receive any damage. That said, Kai can still be a decent avenger as a result of his HP stat, but his lack of a defensive buff of any kind may cost him heavily during a battle depending on the players' RNG.

Starting Cards

When the player begins a new game and selects their starting main character, they will receive the cards necessary to create a deck. If a player chooses Kai as their starting character, they will begin the game with the provided 15 cards along with Kai's unit card and hyper card. In concurrence with Kai's stats, Kai's starting deck is relatively combat based, with it containing mostly stat adjustment cards to aid Kai and weaken his opponents.

Provided Cards


1 Icon.pngDefault
0 10000 00.png
Kai 00 00.png
2 Icon.pngAttack
0 10000 00.png
Kai 00 01.png
3 Icon.pngDamage
0 10000 00.png
Kai 00 02.png
4 Icon.pngSuccess
0 10000 00.png
Kai 00 03.png
5 Icon.pngFailure
0 10000 00.png
Kai 00 04.png
6 Icon.pngDice Throw
0 10000 00.png
Kai 00 05.png
7 Icon.pngDefault
0 10000 00.png
not found
8 Icon.pngAttack
0 10000 00.png
not found
9 Icon.pngDamage
0 10000 00.png
not found
10 Icon.pngSuccess
0 10000 00.png
not found
11 Icon.pngFailure
0 10000 00.png
not found
12 Icon.pngDice Throw
0 10000 00.png
not found


Red Icon.pngRed
0 10000 00.png
Kai 01 00.png
Blue Icon.pngBlue
0 10000 00.png
Kai 02 00.png
Green Icon.pngGreen
0 10000 00.png
Kai 03 00.png
Yellow Icon.pngYellow
0 10000 00.png
Kai 04 00.png
Pink Icon.pngPink
0 10000 00.png
Kai 05 00.png
Purple Icon.pngPurple
0 10000 00.png
Kai 06 00.png
Teal Icon.pngTeal
0 10000 00.png
Kai 07 00.png
Black Icon.pngBlack
0 10000 00.png
Kai 08 00.png
Rad Poppo Icon.pngRad Poppo
0 10000 00.png
not found
Halloween Color Icon.pngHalloween
0 10000 00.png
Kai 10 00.png
Silver Icon.pngWhite
0 10000 00.png
Kai 11 00.png
Red and Blue Icon.pngRed & Blue
0 10000 00.png
Kai 12 00.png
Dapper Poppo Icon.pngDapper
0 10000 00.png
not found
Cyborg Poppo Icon.pngCyborg
0 10000 00.png
not found
Christmas Color Icon.pngChristmas
0 10000 00.png
Kai 15 00.png
Tuxedo Poppo Icon.pngTuxedo
0 10000 00.png
not found
Chocolate Color Icon.pngChoco
0 10000 00.png
not found
School Color Icon.pngSchool
0 10000 00.png
not found


1 Icon.png Hair 1
Kai 00 00.png
Kai 3000 00.png
2 Icon.png Hair 2
Kai 00 00.png
Kai 3001 00.png
3 Icon.png Hair 3
Kai 00 00.png
Kai 3002 00.png
4 Icon.png Hair 4
Kai 00 00.png
Kai 3003 00.png
5 Icon.png Hair 5
Kai 00 00.png
Kai 3004 00.png
6 Icon.png Hair 6
Kai 00 00.png
Kai 3005 00.png
7 Icon.png Hair 7
Kai 00 00.png
Kai 3006 00.png
8 Icon.png Hair 8
Kai 00 00.png
Kai 3007 00.png
9 Icon.png Hair 9
Kai 00 00.png
Kai 3008 00.png
10 Icon.png Hair 10
Kai 00 00.png
Kai 3009 00.png
11 Icon.png Hair 11
Kai 00 00.png
Kai 3010 00.png
12 Icon.png Hair 12
Kai 00 00.png
Kai 3011 00.png


Voice Lines

When English Kanji Romanji
Rolling ▶️ There! よっと yo to
▶️ Here I go! おりゃ! orya!
▶️ Go! とお! to o !
▶️ Give me a good roll! いい目出てくれよ! ii me detekure yo!
Using a Card ▶️ Alright, I'll do this! おーし、やるぜ! o - shi, yaru ze!
▶️ This will bring me victory! これが切り札だ! kore ga kirifuda da!
▶️ I'm going to use a card here. カードを使うぜ! ka-do o tsukau ze!
▶️ This is it! いくぜ! iku ze!
Placing a Trap ▶️ It's time for a trap. トラップだ! torappu da!
▶️ Here's a trap. 罠だぜ! wana da ze!
▶️ I'm going to set this up here. ここに仕掛けるか… koko ni shikakeru ka…
▶️ I'm sure this will work. こいつを仕掛ければ… koitsu o shikakereba…
Using a Battle Card ▶️ Help me win! カードの力を借りるぜ! ka-do no chikara o kariru ze!
▶️ Give me some power! 俺に力を! ore ni chikara o!
▶️ Heh-heh-heh, victory will be mine! へへ、勝たせてもらうぜ! e e, katasetemorau ze!
▶️ Let me show you what I can do! やってやるぜ! yatteyaru ze!
Hyper Activation ▶️ This is the protagonist's privilege! これが主役の特権ってやつだ! kore ga shuyaku no tokken tte yatsu da!
Reviving ▶️ I've been revived! ふっかぁつ! fu kaxa tsu!
▶️ I'm not done yet. まだやれる…っ mada…yareru
▶️ This is only the beginning. 遅れを取り戻す! okure o torimodosu !
▶️ I can still go on. まだまだこれからだ! madamada korekara da!
Revive Failed ▶️ How can a protagonist fail to come back?! くっ…主役の俺が…っ ku...shuyaku...no ore ga
▶️ This isn't for real... うそ…だろ…? uso daro...?
▶️ You've got to be kidding me! マジかよ… maji ka yo…
▶️ What the... Heck... なん…だと…? nan da to...?
(Attack) ▶️ Here! せい! sei!
▶️ Like this! うおりゃぁ! u ori xa !
▶️ Eat this! くらえ! kurae!
▶️ There! そこだぁ! soko da Xa!
Field Damage ▶️ Ugh! ぐあっ! gua!
▶️ Guh! ぐぇ! gwe!
▶️ That hurts! いってぇ! itthe!
▶️ Urrh... んがぁっ! n ga xa!
Healing ▶️ Saved by the bell. 助かったぜ… tasukatta ze…
▶️ I got healed... 癒される… iyasareru…
▶️ Phew... ふぅ~… fu xu…
▶️ That was a close call. 危なかったぜ… abunakatta ze…
Warping ▶️ Warp! ワープ! wa-pu !
▶️ I'm flying! 飛ぶぜ! tobu ze!
▶️ Where am I going? ドコに行くんだ… doko ni iku n da…
▶️ Noooo! うわわわっ uwa wa wa
KO'd by Field ▶️ Guhaah! ぐはぁ!! guhaxa!!
▶️ No way. This can't be true... そんな…ばかな… sonna bakana…
▶️ I'm so done here... もう…だめだ… mō dame da…
▶️ I give up. ぎゃふんっ gyafun
Battle Begins (Attacker) ▶️ Fight me! 戦おうぜ! tatakaou ze!
▶️ Let's battle! バトルだ! batoru da!
▶️ The first one to act wins! 先手必勝! sente hisshō!
▶️ I'll go first! いかせてもらうぜ! ikasetemorau ze!
Battle Begins (Defender) ▶️ You want to fight? Fine by me. 来るなら来い! kuru nara koi!
▶️ Challenge accepted. 受けて立つぜ! ukete tatsu ze!
▶️ Looking for a fight? 来るか!? kuru ka !?
▶️ Bring it on! 来いよ! koi yo!
Attacking ▶️ Take this! くらえ! kurae!
▶️ I'm finishing you! 仕留めるぜ! shitomeru ze!
▶️ Eat my fist! 俺の拳を喰らえぇ! ore no kobushi o kurae xe!
▶️ Theeere! せぇい! se xei!
Light Damage ▶️ Ugh. くぅっ! kuxu!
▶️ That hurts! いてっ ite
▶️ You're pretty good. やるなっ yaru na
▶️ Oww. いちちっ ichi chi
Heavy Damage ▶️ Gaaargh! がはぁ!! ga haxa!!
▶️ Uoooogh! ぐほっ! guho!
▶️ That hurts! いってぇえ! itthe e!
▶️ Uuugh. うひぃっ u hi xi
Evading ▶️ Whoa. おっと! o to!
▶️ You can't hit me. 当たるかよ! ataru ka yo!
▶️ Check out my moves! 華麗なる俺の回避! kareinaru ore no kaihi!
▶️ Too slow for me. 遅いんだよ! osoi n da yo!
Winning in Battle ▶️ My victory is only natural. ま、当然の結果だな ma, tōzen no kekka da na
▶️ I'm the protagonist, you know. ま、主役ですし? ma, shuyaku desu shi?
▶️ That was a nice battle. 良いバトルだったぜ yoi batoru datta ze
▶️ Well, this is what I expected. ま、こんなもんよ ma, konna mon yo
KO'd in Battle/Losing Game ▶️ Goddamn it! ちくしょう…っ chi...kushō
▶️ Urrrrgh... きゅぅ… ki xu…
▶️ I can't believe this! なんてこった… nantekotta…
▶️ I lost? No way! 負けた…だと… maketa da to…
Bonus Panel ▶️ Yeah! I got a bonus! よっしゃあ、ボーナスゲット! yossha a, bo-nasugetto!
▶️ I'm rolling in cash today! 懐があたたまるぜ! futokoro ga atatamaru ze!
▶️ I'm this much closer to victory now! これで勝利に近づくぜ! kore de shōri ni chikazuku ze!
▶️ Whoo! This is the best! ふぅ~!最高だぜ! fu xu ! saikō da ze!
Drop Panel ▶️ My stars...! 俺のスターが!! ore no suta- ga !!
▶️ Crap... くそっ ku so
▶️ All that effort to gather them... 折角集めたのに! sekkaku atsumeta noni!
▶️ I screwed up! やっちまった…っ yat...chimatta
Stepping on a Trap ▶️ Oh shoot! しまった! shimatta!
▶️ It was a trap?! 罠だと!? wana da to!?
▶️ W-what the heck?! な、なんだこりゃ! na, nan da korya!
▶️ This can't be happening... 嘘だろ!? uso daro!?
Boss Panel ▶️ I sense a strong opponent. 強敵の気配がするぜ… kyōteki no kehai ga suru ze…
▶️ So they came... ヤツが来たか… yatsu ga kita ka…
▶️ I can feel a storm coming... 嵐の予感がするぜ… arashi no yokan ga suru ze…
▶️ Okay... I've got to give it all I've got. ふぅ…気合を入れないとな… fu xu kiai o irenai to na…
Star Norma ▶️ The stars are all mine! スターを集めるぜ suta- o atsumeru ze
▶️ I choose stars, of course. スターに決まりだな suta- ni kimari da na
▶️ Stars, it is! スターだよな、やっぱ suta- da yo na, yappa
▶️ I'll go with stars! スターにするぜ! suta- ni suru ze!
Wins Norma ▶️ All I need is battles! 戦いに明け暮れるぜ! tatakai ni akekureru ze!
▶️ Battle is a man's romance. バトルはロマン! batoru wa roman!
▶️ All the wins are mine! 勝利を重ねるぜ! shōri o kasaneru ze!
▶️ My fists will breathe fire! 俺の拳が火を噴くぜ! ore no kobushi ga hi o fuku ze!
Selecting a Character ▶️ Count on me! 俺に任せとけ! ore ni makasetoke!
▶️ Hiya. Good to play with you. おっす、よろしくな o ssu, yoroshiku na
▶️ Alright, it's my turn to go! よーし、俺の出番だな yo-shi, ore no deban da na
▶️ Just leave it to me! 任せろ! makasero!
Starting the Game ▶️ Let's see how this game will turn out. さぁて、どうなるかな… saxate, dō naru ka na…
▶️ Guess I'll go all out. いっちょ頑張るか itcho ganbaru ka
▶️ So it started. 始まったか… hajimatta ka…
▶️ I'll do my best. 頑張るぜ! ganbaru ze!
Winning the Game ▶️ Hell yeah! I'm the winner! おっしゃぁ!俺の勝ちだ! o shi xa! ore no kachi da!
▶️ Hell yeah! I did it! よっしゃぁあ!やったぜ! yossha xaa! yatta ze!
▶️ Phew, I made it somehow. ふぅ…なんとか勝てたな! fu xu nantoka kateta na!
▶️ That was a good game. いい勝負だったぜ ii shōbu datta ze
Item Drop/Crate Drop ▶️ Oh I got a new one. お、新しいヤツを手に入れたな o, atarashii yatsu o te ni ireta na
▶️ I got a new item! NEWアイテムゲットだ! New aitemugetto da!
▶️ Oh, I didn't have this one. 持ってないヤツだな mottenai yatsu da na
▶️ Alright, that was a good draw. よしよし、いい引きしてるぜ yoshi yoshi, ii hiki shiteru ze
Whack a Poppo/Track the Card ▶️ Leave it to me. まかせろ! makasero!
▶️ That's nice. いいね ii ne
Whack a Poppo ▶️ Yeah! おう ou
Whack a Tomomo/Alte ▶️ Nope. いいや ii ya
Bad Prize ▶️ Crap! くそっ ku so
Star Treasure ▶️ Hell yeah! やったぜ yatta ze
Neutral Prize ▶️ What the?! なに? nani?
Battle Prize ▶️ Here I go! いくぜ! iku ze!
▶️ Let's see what roll I'll get. さーて、どんな目が出るかな sa - te, donna me ga deru ka na
▶️ Go! いっけぇ! i ke xe!
Greeting (Home Screen/Joining Lobby) ▶️ Yo! おっす! o su !
Miss Prize/Track the Card ▶️ Hmm... うーん… u-n
▶️ That's awesome. やるじゃねぇか! yaru ja nexe ka !
Hyper Treasure/Good Prize ▶️ Oh my god! おおお!! ō o !!
Miss Match/Bad Prize (Match 2) ▶️ Crap... くそっ! ku so !
Unique Interaction Lines
Vs. Poppo (any) ▶️ Found you! 見つけたぜ…! mitsuketa ze ...!
Vs. Kyoko/Sherry ▶️ A beautiful lady...?! 綺麗なお姉さん…だと… kireina o nēsan...da to...
Vs. Tomomo ▶️ Aren't you too old for that outfit? その歳でその格好はヤバイだろ sono toshi de sono kakkō wa yabai daro
Vs. Shifu Robot ▶️ A giant robot?! I'm so hyped! 巨大ロボだと…ロマンを感じるぜ kyodai robo da to roman o kanjiru ze


  • Credit to user Fly for finding the triggers for the events. Special thanks to user Kida and WindowsGuyJim.


Update History

100% Orange Juice Emoticon 100oj.png V1.26.2 (Hotfix 2)
  • Fixed player not being able to proceed in multiplayer deck screen if selected character is QP, Suguri, Marc or Kai, and player hasn't unlocked them in singleplayer.

100% Orange Juice Emoticon 100oj.png V1.21

100% Orange Juice Emoticon 100oj.png V1.19
  • Character voice added with DLC 12.

100% Orange Juice Emoticon 100oj.png V1.7.7

100% Orange Juice Emoticon 100oj.png V1.6.6

100% Orange Juice Emoticon 100oj.png V1.4
  •  Protagonist's Privilege level requirement has been lowered from 4 to 3. Cost has been lowered from 30 to 20.
  • Fixed HP on Kai's card.

100% Orange Juice Emoticon 100oj.png V1.3.2
  • Kai's HP reduced from 5 to 4, bringing him to default stat distribution.

Kai (unit).png