帝螢 リオ

She is the daughter of the Tei Hotaru Zaibatsu family, which has expanded its business into various fields, centering on a paper manufacturing company that also influences the political world, and is the current student council president.
She has the spirit that a family with a long history should be respected and be proud of its history and achievements.

She is respected by many students for her high ability and honor student attitude.
There are not a few students who rebel against the school, perhaps because of the autocratic management of public morals.
Because of her ability, she tends not to trust others.