A "demon child" who acts out because his sister blames him for their mother's death. Sana’s influence eventually helps him open up emotionally.
Beneath the comedy, it tackles child neglect, parental abandonment, and the emotional toll of early-onset fame. Kodocha
The series explores "学級崩壊" (gakkyū hōkai), depicting the breakdown of authority and bullying in schools. A "demon child" who acts out because his