|“||Awawawawa... Is that what they call "Adult's Romance"?||”|
–Chuusuke Ooyama, Danganronpa Gaiden: Killer Killer
He's a young adult with short dark colored hair. During his appearance he is wearing a bathrobe.
Danganronpa Gaiden: Killer Killer
Chapter 7 - Pre-Wedding Mystery Tour
Sakuma first appears in the hot springs cheering on Kinari. He later appears in the building drinking with the rest of the fans. He later joins the group in finding Nobuo Takeda. He with the group is horrified when they find out the Nobuo has been horribly killed, but is reassured after Takumi Hijirihara reveals himself as a Future Foundation member.