Fourth Generation Head: Tatsuyuki Oyamato (Yaoi Manga)

The last thing playboy Tatsuyuki Oyamato, fourth-generation heir to a yakuza family syndicate, wants is any responsibility for running the family business, especially when a recent erotic encounter with a male masseur has him totally preoccupied with questioning his sexuality! But Tatsuyuki’s forced to step up both in the sheets and on the streets when a hot hookup deepens his newfound attraction to men, while also drawing the attention of a mysterious man who seems dangerously obsessed with Tatsuyuki’s lineage... -- VIZ Media