Look at the Comment Section.
Lumian Lee - [Circle of Inevitability](Might be called as Lumian-san, Lumian-kun. It's cringe but that's how japanese greets each other. Though calling someone directly would indicate that you feel close to them.)
Aurore - [Circle of Inevitability]: Brother of Lumian Lee
Hiyori Shiina - [Classroom of the Elite]: Student from Class 1-C. Classmate of Lumian.
Kakeru Ryuuen - [Classroom of the Elite]: Leader of Class 1-C.
Masayoshi Hashimoto - [Classroom of the Elite]. Class 1-A Student. Friend of Lumian.
Asuka Shiraisa - [Classroom of the Elite]: Student of Class 1-A.
Ai Morishita - [Classroom of the Elite]: Student of Class 1-A.