Gay's Anatomy(2002)

Kogareru Yubisaki

Surgeon Motonari Tsuda teaches fellow physician Tomoki Shiraishi the joys of being loved. It’s been two years since Tomoki started living with his younger lover, but their connection in the bedroom just becomes stronger. In order to tear them apart, Wakamiya, a handsome man who claims to be Motonari’s uncle, approaches Tomoki and…?! The erotic yet heart wrenching love story between two doctors!

(Source: SuBLime)