Affiliation Yozakura Family Occupation Student, Spy

Spoiler

Blooming Adaptation

Nanao is one of the main supporting characters and younger son in the Yozakura Family. He is the sweet and gentle (but enormous) youngest brother, adept at creating drugs and medicine of all kinds. Hides his face with a bucket.

Spoiler

It is later revealed that he uses medicine to shrink his body so he can look like a normal student and go to school to try and live a normal life.