Chusuke Oyama

Chuusuke Ooyama is a character introduced in Danganronpa Gaiden: Killer Killer, a spinoff manga connected to Danganronpa 3: The End of Hope's Peak Academy.

He's one of the fans of Kinari Kunugida, during the event known as Club Friends Pair along with Sakuma Fujii.

Appearance
He's a young adult with short dark colored hair. During his appearance he is wearing a bathrobe.

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.

Quotes

 * "Th... This is..." (Chuusuke's reaction towards the dead body of Nobuo Takeba.)