Sou Hishigata

Sou Hishigata is Shinpei's childhood friend and best friend, as well as the eldest son of Hishigata Clinic, Hitogashima's only hospital. He is studying to become a doctor and has a strong sense of justice. Sou regrets being unable to prevent Ushio's maritime accident, and he has confessed his feelings to Mio twice, both times unsuccessfully.