Tsuki ni Hoeru Inu

[A younger obsessed dog] × [A mature beautiful yakuza]
Forbidden sensual BL of master-servant x parent and child with dramatic passion swirling!

Kiryu Akira, a handsome yakuza member of Kyokuseikai and Ishibuki-gumi. While captivating people with his elegant beauty and dazzling smile, he mercilessly corners his target. With his ability, he rose to the rank of wakato at a young age. He had a special aide--a "faithful dog." A boy, Ritsu, who Akira took in when he was young and raised him like his family. As Ritsu grows up, he becomes an excessively "faithful" watchdog, and is blindly trusting to the extent that he mercilessly bites those who disrespect Akira. "Because I only have Akira-san." The two lived peacefully despite the danger, but one day, Ritsu witnessed Akira's secret...?