Koudai Kamiuchi

Age: 17
Gender: Male   

A frivolous and jolly freshman who appears to be very fond of girls.

He is one of the 6 who got chosen as a participant for the Game of Indolence. It was later revealed that he was actually the owner of The Game of Indolence. He was later killed by Daiya Oomine as the latter asserted that it was the only way to destroy the box.