- Kai appears in the artwork for and is quoted in the description of
. He also appears in the artwork for .
- Kai is one of three original characters (along with 100% Orange Juice!.
and ) who debuted in the original release of
- Kai's theme was composed by DEKU. This makes Kai the only character without a royalty-free theme.
- Kai had a different theme in the Beta version of 100% Orange Juice! which was royalty-free. The original theme was "Fair Wind" from TAM Music Factory, which can be heard here.
V1.26.2 (Hotfix 2)
- Fixed player not being able to proceed in multiplayer deck screen if selected character is Kai, and player hasn't unlocked them in singleplayer., , or
- Fixed a bug where active if she evades their attack. could attack a player attacking her with
- Kai's HP increased from 4 to 5.
- now works only once per combat.
- Fixed typo in card's description.
- level requirement has been lowered from 4 to 3. Cost has been lowered from 30 to 20.
- Fixed HP on Kai's card.
- Kai's HP reduced from 5 to 4, bringing him to default stat distribution.
- ↑ Confirmed by DEKU in Twitter messages.