Hansuke Doi

Hansuke Doi is a teacher at Ninjutsu Academy who instructs the first-year Ha class in Nintama Rantaro.

Hansuke Doi's role in Nintama Rantaro

He is patient with the young ninjas but is frequently pulled into their accidents and missions.

Hansuke Doi's defining actions and relationships

His practical ninjutsu knowledge and protective attitude make him one of Rantaro, Kirimaru, and Shinbei's most dependable adults.