Shintaro Anzai

Mizuno Asumi is a doctor at the University Hospital. Her only objective in life is to avenge the death of her father, a death caused by immoral and negligent doctors.

Higashigaoka High School’s male swimming club presently has only three second-year members – leader Sakaki Shuhei, Shinozuka Daiki and Koganei Haruyoshi. They welcome the new school year with the aim of getting members.

After getting married and having a daughter, a retired legendary hitman must protect his family when his past catches up to him.