Tosa's former girlfriend who later develops a relationship with the cyborg Kensuke Hagane. She struggles to move on from Tosa, partly due to seeing his tattoo on Hagane's back. After attempting to assassinate the villain Saratake, she is captured, assaulted, and ultimately takes her own life by biting off her tongue. Her death deeply impacts Hagane and drives the climax.
Tosa and Yukari share a past romantic relationship that ends when he prioritizes his yakuza duties over her.
Hagane and Yukari develop a romantic bond, though it is complicated by Hagane's cyborg nature and Tosa's lingering presence.
Explore the full interactive character relationship map of Full Metal Yakuza