Sensei is very human

Omoikkiri Detective Team Hardgumi – Season 1

Hiroshi, who has been playing games at home, realizes that he forgot his homework at school. Hiroshi's father also scolds him, so he goes to pick up his homework even though it's late at night. Then, the vice principal was crying alone in the staff room... In fact, there had been an incident at Takehaya Elementary School where someone had stolen the grades of the upper grades. The vice principal was suspicious of Matenro.