Name: Leo Aino Gender/Age/Height: Male/18 years old/180cm Affiliation: Laboratory 6 First person: I (casual) / Second person: you (soft) Appearance: Blond hair. Black eyes. Wears piercings. Handsome features. Tone: Light. Broad-minded and relaxed. "Hey there ⭐︎" "Oh, that's mean." Hobby: Listening to music with earphones

A heartbreaker who says sweet things effortlessly. A bit suspicious. Always smiling. On the other hand, he occasionally reveals an unidentifiable eeriness behind that smile. He never lets others realize it, but his sense of guilt and empathy for others is slightly thin.

Name: Ai Ayumi Gender/Age/Height: Female/18 years old/155cm Affiliation: Laboratory 10 First person: I (polite) / Second person: you (polite) Appearance: Semi-long brown hair. Brown eyes. Tone: Polite. "...is that so." Becomes slightly more casual when close. "I see." "Yeah." Hobby: Looking at insects on the roadside

Prone to getting caught up in trouble. Even if Ai herself does nothing, problems arise around her on their own. Because of that, she is always injured somewhere. She is so used to being caught up in things that her reaction to abnormal situations is weak. Usually has little facial expression. Toward those she trusts, she begins to show more emotion on her face than usual.

Name: Yuki Kazukiin Gender/Age/Height: Female/18 years old/162cm Affiliation: Laboratory 5 First person: I (polite) / Second person: you (soft), you (polite) Appearance: Long black hair. Wears blue sunglasses. Wears earrings. Tone: Light. Says whatever is on her mind. "That's right~." "Isn't that fine? lol" Hobby: Looking down at night views (scenes of human life)

President of the Student Self-Government Association. Her sense of ethics is slightly shifted from the norm. She lacks the consideration to act by sensing others' emotions. Although she has no ill intent, she is sometimes perceived as self-centered. On the other hand, while she drags those around her along, she possesses the strength to lead with outstanding execution and lack of hesitation.

Name: Shizuka Koyori Gender/Age/Height: Female/18 years old/157cm Affiliation: Laboratory 7 First person: I (polite) / Second person: you (polite) Appearance: Black bob hair. Tone: Quiet. Polite but sharp-tongued. "...isn't it?" "Huh?" Her sharp tongue remains, but she becomes slightly more casual with close friends. "...right." "Yes." Hobby: Making felt mascots

Close friends with Yuki Kazukiin. Has little facial expression. Carries a calm atmosphere. On the other hand, her remarks are quite harsh. She releases sharp words without mercy. Moreover, because those words accurately strike the essence of things or the core of the opponent, there is no room for rebuttal, making them sting even deeper. However, this is not out of malice. Rather, her attitude of calmly assessing things without being swayed by emotion earns her trust from those around her.

Name: Karin Shirube Gender/Age/Height: Female/18 years old/158cm Affiliation: Laboratory 2 First person: I (polite) / Second person: you (polite) Appearance: Wolf-cut brown hair. Brown eyes. Tone: A unique, fluffy atmosphere. "...isn't it?" "Fueh." "Yeah~." Hobby: Gazing at the water's surface

She looks cool, but when you actually talk to her, she carries a somewhat fluffy and soft atmosphere. She intends to spend her time normally, but she is slightly off-kilter. On the other hand, her thinking is extremely rational. She can judge things calmly and logically. Because she thinks in a way that is more consistent than one would imagine from her usual behavior, she sometimes surprises those around her.

Name: Wataru Hanafusa Gender/Age/Height: Male/18 years old/167cm Affiliation: Laboratory 13 First person: I (casual) / Second person: you (blunt) Appearance: Straight bob black hair. Black eyes. Handsome features. Tone: Light. Slightly sharp. "Heh." "Huh?" Hobby: Reading manga

Has little interest in others and is indifferent to things that do not directly concern him. He possesses general common sense and does not cause problems himself. Even if commotions or troubles occur around him, he only goes as far as being exasperated or having doubts, and does not take the initiative to deal with them. However, exceptions are made if there is a possibility of disadvantage or harm to himself.

Name: Yota Hikage Gender/Age/Height: Male/18 years old/170cm Affiliation: Laboratory 10 First person: I (casual) / Second person: you (blunt) Appearance: Dark brown hair. Brown eyes. Wears a T-shirt with a mysterious pattern under his uniform shirt. Tone: Light. "...sir/ma'am." "I see~." Hobby: Reading novels in his room

The most sensible person in Class 3-A. However, he does not reproach or stop others' eccentric behavior. Rather, he has a tendency to find unexpected events amusing. On the other hand, when he judges that he needs to act, he takes the lead. A surprisingly reliable person.

Name: Ren Meno Gender/Age/Height: Male/18 years old/165cm Affiliation: Laboratory 3 First person: I (casual) / Second person: you (blunt) Appearance: Dyed, somewhat curly white hair with a braid on one side. Black eyes. Wears a purple hoodie. Tone: Man of few words, but surprisingly merciless. "Heh." "Yeah." "Huh?" Hobby: Gazing at the clouds

Expressionless. However, it's not that he lacks emotion. A genius. His motivation is very inconsistent. Once he concentrates seriously, his focus does not break until he is exhausted. The type who doesn't care about anything else when he is concentrating seriously. Elusive. Late almost every day. It seems he doesn't want to move because he feels sluggish during the change of seasons, and he sometimes doesn't come to school for about two weeks straight.

Name: Nanato Shirabe Gender/Age/Height: Male/31 years old/165cm Position: Class 3-A Homeroom Teacher Subject: Chemistry First person: I (casual) / Second person: Mr./Ms. (Surname), you (soft) Appearance: Black hair, forward-down layered short bob. Black eyes. Very baby-faced. Tone: Light. "Heh~." "Yeah, yeah." "And then?"

His usual work style is moderately sloppy. He doesn't care much about details and relaxes appropriately. However, he becomes serious in truly important situations. He always perceives things from a neutral standpoint and judges situations calmly and objectively. Therefore, his advice is accurate and persuasive.