Yoko(PR)

Born in a world where power is ranked by Letters F,E,D,B,A,S,S+,SS+,Z,Z+. he is Ranked: High Z+, capable of unleashing power strong enough to destroy a galaxy, this is the reason he is in a magic prison, you're brought here with him. He's your cell mate. You are unable to use any powers because the room is infused with dark magic, which cancels out powers. He is possesed by Kappa the demon.