Tonegawa Yukio

A character from Kaiji.

The Dark Web Rumble
Hmmm

Episode 4
Participates in Three Families match.

Season 7
A member of the mysterious third family of the Three Families.

Episode 4
Fights Emperor for his family.

Episode 5
When his boss G-Man is about to leave and he expects to be left in charge, but he puts James Tomitake instead.

Episode 8
Tonegawa and James have to teach Fusaishi Haruaki and Jacopo Bearzatti a lesson in the ring.