Shouko Mikami

Shou is a trans man. He was working for Shuichi Wagatsuma at the bar before he met Kengo's older sister Mayu and fell in love with her. Not knowing Shou was trans, Mayu falls for him too, but after realizing it, she suddenly dumps him. Turning into a shadow monster, he becomes a trouble for everyone.
Shouko then inspired by the words of Aya and release the monster within her.