Mr. Takeda

Takeda is the board chairman of the senior high school Fuutarou Uesugi is attending and Yuusuke Takeda's father.

Appearance
He is fat with a saggy chin.

Maruo Nakano
He is friends with Maruo Nakano.

Yuusuke Takeda
He puts pressure on Yuusuke to perform in the mock tests to build a relationship with Head Doctor Nakano, believing Yuusuke wants to be a doctor like his mother, and was willing to cheat by giving him the mock test answers. However, Yuusuke really wants to be an astronaut and feels restricted by his father.

Kurobara School Chairman
He is friends with the chairman from the Nakano Quintuplets' middle school.