Ryousuke "Chairman" Katashiro

He was engaged to a woman named Sora, who had an affair with Tokio the painter. After Tokio recieved an apprivoise mark, he became immersed in his ambitions and Sora fled the island.

It is later found out that Sora was pregnant with Tokio's child, Takuto. She left the child in the care of Tokio's father, and has not been heard of since.