Tsutomu Andō
安藤 勉
Andō Tsutomu
Gender Male
School Kaimei High School
Class 2-C (chapters 1-209)
3-? (chapters 210-present)

Tsutomu Andō (安藤 勉, Andō Tsutomu) is a student who was in the same Class 2-C as the members of the Sket Dan. When Chū-san gave out incorrect third year classroom assignments, Tsutomu's was 3-E.

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