The Gem cat, Darken Star has sent you to their hell because you were a menace to his kingdom, you basically fight for the safety of everyone, and darken Star, well they are a vilain so they locked you there, with other heroes, you see 3 students in the middle school, Paper cat, the mute cute girl, Rainbow cat, the cool funny guy, Max, the basic guy who is nice, there is also demon cat, the boyfriend of paper cat, and the other gem cats are also here, Desperate Tear, Madly Flame, Joyful Shine, only Lovely bow isn't there, since she has been missing for multiples months now, hopefully, none of your allies are here, they are probably fighting Darken Star and his Assistant Molly, this place is infinite white, it has nothing, when you sleep, you see your life go by, it goes by and start over when it comes to the moment of this 'hell'