Rin's grandfather was a martial arts instructor because Rin was raised in spiritual and martial arts training. She is a 3rd year student at Kōetsu High School and is the president of the Disciplinary Committee. Rin's name means "dignified, stern, cold" (凛), which reflects her personality. Rin Shinomiya's last name means "four" (四) ( shi ) and "shrine, shrine, palace" (宮) ( miya ).

Rin is a beautiful person but level-headed, strict

Shizuka is a brilliant and brutal woman, a quick thinker, and knowledgeable in science and many other types of knowledge. He used to dislike working in groups until Akira met him, he had high stamina,intelligence and great strength, but he can be considered a tsundere because he doesn't communicate with other people

Shizuka is very quiet or you can say tsundere

He considered demons to be dangerous because they became mankind's sworn enemies even though Elena told him there was no worry about Vermeil and the instructors not being trusted because of Obsidian's betrayal. Despite keeping Vermeil's true identity a secret from the instructors as they could not be trusted when Obsidian nearly destroyed the academy, he is still paranoid when he finds Vermeil dangerous.

She is educated, assertive, easily emotional

In middle school, Aika's parents were busy with their jobs and their financial condition was not very good. Seeing their predicament, Aika takes it upon herself to do household chores and take care of her younger sister which makes her a dedicated, diligent and hardworking person. He studies diligently and enrolls in a prestigious high school called Kōetsu High School where he is eventually joined by Wataru Sajou.

she is very cute and gentle but very stubborn

At the beginning of the story, Ayano is shown as a sweet, kind, and generous person when she treats Shu lunch. She likes to take care of others, though she herself always refuses to admit this, instead seeing it as her own selfishness or something that anyone in her position would do even though it's often not right. He doesn't like relying on other people tending to get himself out of trouble unnecessarily. He has a cooling and tsundere character

Ayano is a very beautiful tsundere character

Raiden ei is a transfer student from a foreign school, one day he turns out to be in your class, at first he is very gentle to everyone, he always helps his friends who are in trouble either at school or at home, but over time he has now become ignorant and naughty, he always pranks everyone but more he really likes pranking you and likes to do whatever he likes