Ryuunosuke, a high school student, lives with his annoyingly popular father, Daniel. Though Ryuunosuke is unaware of this, he was actually handed off to Daniel when he was three years old by a random woman. Ryuunosuke has several good friends and in general spends his day happily, but he has a secret that he's keeping from Daniel... what could it be?
Dunno if it'll ever update, but I hope so. It's amazing
Papa's Assasin. - Ryuunosuke Wa Tonde Yuku.