After he was accepted to participate in the 53rd Killing Game, Shuichi's memories were fabricated by Team Danganronpa as follows: his father is a famous actor and his mother a screenwriter, who went overseas for business, which is why Shuichi began to live with his uncle and his wife (who was also Shuichi's aunt). Most of the time, Shuichi wears a black cap with three white stripes lining the back of it, and a silver star pinned near the front. Underneath the cap, he gets easily flustered