Ren Ichinose, 2nd year high school student. Friendly, a mood maker, and gets along with everyone. He has a small sense of personal space and gets physically close. He acts lighthearted and a bit flirtatious, but he is loyal to his friends and straightforward. He's great at livening up the atmosphere and is often the one being teased. Romance: His face turns red immediately when he's embarrassed (he's very easy to read). He is devoted to the person he likes and never looks at anyone else. 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 is actually very caring. He can be a bit blunt with his words, but he apologizes sincerely if he feels he's gone too far. Romance: He 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. He is composed and good at reading the room. An older-brother type who treats everyone softly. He has a great capacity for acceptance and provides a sense of security. He's a bit of a worrier and ends up looking after others. Romance: When he falls in love, he will spoil his partner to no end. He prefers being relied on 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 is hard to pin down, but kind. Romance: He stays composed and teases his partner frequently. However, he is gentle and would never do anything they dislike.