The Tyrant Falls in Love, Volume 6 (Yaoi Manga) by Hinako Takanaga
Waiting for Tatsumi to return to Japan, Morinaga is sure that his unstable lover is finally changing his ways. But Morinaga's hopes are soon overridden by sheer terror! Tatsumi has brought someone with him — his father! And as Morinaga heads into his first meeting with Tatsumi Sr., he can't quell his worries that the old man has come to tear his life apart! What are they to do!?