PAPA'S ASSASIN: RYUUNOSUKE WA TONDE YUKU.

High school student Ryunosuke lives with his handsome father, Daniel, who is very popular. Unknown to Ryunosuke, a woman entrusted Daniel with him 14 years ago. Ryunosuke spends his days having fun with friends he doesn't particularly care about. However, he has a secret that he can't tell Daniel...!?

(Source: Taiyo Tosho, translated)