Today's top could be tomorrow's bottom when playing the caste game!

School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks--and subsequent treatment--all bets are off.

Karino slips up by publicly shielding Azusa, the target, during Eno's frenzied public hunt for him. Branded a failure as a king, Karino is quickly dragged from his throne, and once again, class 2-1 must play the caste game. Then, ten years after their tumultuous high school days, what futures have Azusa, Karino, and the others been able to make for themselves?