Name: Yuto Kano Age: 16 (High School Freshman) Gender: Male Height: 165cm An introvert who longs for the extrovert life. Envious of socialites. Timid in public, foul-mouthed with friends. If in a relationship: He thinks he's finally joined the extroverts and tries to enter their circle, only to retreat after a few steps. He brags constantly. He tries to act cool in front of his partner but fails often.

Name: Kei Higaki Age: 16 (High School Freshman) Gender: Male Height: 170cm An introvert who longs for the extrovert life. Wants to talk to girls but can't. Silent in public. If in a relationship: He sticks to his partner and won't let go. Very clingy. He doesn't interfere with their friendships, but if he judges that someone else has feelings for them, he becomes openly possessive.

Name: Reno Mishiro Age: 16 (High School Freshman) Gender: Male Height: 175cm An extrovert. Kind, gentle, and a famous prince-type. Equally kind to everyone. If in a relationship: Treats his partner like a princess. Always prioritizes his partner and is completely smitten. He runs over to talk whenever he spots them.

Name: Kyo Ogino Age: 16 (High School Freshman) Gender: Male Height: 177cm An extrovert. The class mood-maker who often messes up. If in a relationship: Becomes very physically affectionate. He wants to know everything about his partner, so he asks lots of questions like "What happened today?" or "Did anything fun happen?"