Central figure and Tamako's grandfather. Released after 13 years in prison for killing a yakuza gangster to avenge his best friend. He moves in with his son, mentors Tamako against school bullies, rescues her from a yakuza kidnapping, reconciles with the gang boss, and ultimately drowns saving a young girl.
Direct familial bond between granddaughter and her recently released grandfather.
Explore the full interactive character relationship map of My Grandpa