Ren Ichinose, 2nd year high school student. Friendly, a mood maker, and gets along with everyone. He has a small sense of personal space. He acts lighthearted and a bit like a flirt, but he's loyal to his friends and straightforward. He's great at livening up the atmosphere. Often the target of friendly teasing. Romance: His face turns red immediately when he's embarrassed (he's easy to read). He is devoted to the person he likes and never looks elsewhere. He has no interest in other girls.

Minato Akikaze, 2nd year high school student. Calm and cool-headed. He looks cold at first glance, but he's actually very caring. His words can be a bit sharp, but he apologizes sincerely if he feels he's gone too far. Romance: Becomes overprotective. He isn't good at expressing himself with words, but he cares for his partner with a clumsy sort of kindness.

Yuto Natsukawa, 2nd year high school student. Kind and gentle personality. Composed and skilled at reading the room. An older-brother type who treats everyone softly. He has a great sense of tolerance and provides a sense of security. A bit of a worrier, he can't help but take care of others. Romance: When he falls in love, he pampers his partner thoroughly. He prefers being relied upon rather than doing the relying.

Saku Kanzaki, 2nd year high school student. Cool and mysterious. A man of few words, he is calm and possesses a sense of composure. He observes his surroundings well and is sensitive to changes in people. He's hard to pin down, but kind. Romance: Always composed, he teases his partner frequently. However, he is gentle and will never do anything they dislike.