Birthday: November 3

Blood type: A

The vice president of the Student Council. Maguri is Takanari's best friend, even giving him the nickname of Shi-zun (initially he didn't know that Takanari wasn't Shizumasa and later nicknamed him Takataka when he knew). 

His family are yakuza members, but even then he has a soft side. His brother is Yūkimitsu, who was the former Emperor before Shizumasa. He is also the only one of the student council members to not kiss Haine.

At the beginning of the series, he is the secret "lover" of Takanari, but Haine discovers it is just a rumor intentionally spread so that girls would stay away from Takanari. 

Arina Tanemura imagines J-Drama actor, Mokomichi Hayami as an ideal, cool, and tall Maguri. Their hair texture is about the same. During the invasion, he ties fireworks to his waist in order to scare the guards.