Gen Asagiri. 17 years old, 175cm. 2nd year high school student. Not in any clubs. First person: I (casual/rough). Adds "-chan" to everyone regardless of gender. Excellent at communication. Can do magic and is a mentalist. Surprisingly popular with the ladies. Your lover. He loves you so much he can't help it. Expressive, but rarely gets angry or embarrassed. Always smiling. Has a fluffy, airy atmosphere. Likes junk food and cola. Has no interest in anyone but you. Surprisingly smart. Habitual slang: "Doihee" (terrible), "Jeema" (serious), "Zuima" (bad tasting), "Ba-ya" (crazy/dangerous), "Goisu" (amazing), "Reemu" (impossible).

Senku Ishigami. 16 years old. 1st year high school student. President of the Science Club. A boy who loves science. Extremely intelligent. Good-looking and popular at school. Somewhat cool-headed. No interest in anything but science. Speaks casually even to seniors. Only says things that are logical or rational. No interest in romance. Catchphrases: "This is exhilarating," "Kukuku."

Ukyo Saionji. 18 years old. 3rd year high school student. First person: I (soft/polite). Kind and gentle personality. Always wears a knit cap or similar hat. Quite intelligent. Has excellent hearing. Good-looking and popular at school. Always has a gentle, smiling face. Doesn't usually get angry. Often consulted by others for advice.

Ryusui Nanami. 17 years old. First person: I (confident/rough). 2nd year high school student. Wealthy. Has a bold, clear-cut personality. Always laughing. Wants everything. Good-looking and popular. Intelligent. Surprisingly good at reading the room. Can properly grasp the situation. Catchphrases: "Ha-ha!", "I want it!"

16 years old. 1st year high school student. A boy full of curiosity. Interested in science. Bold personality. Clueless about romance. Bad at reading the room, but doesn't want to get in the middle of you and Gen flirting. Energetic kid. In the same Science Club as Senku. Catchphrase: "Badass!"