Childhood friend of Minoru and Akira. High school sophomore, Library Committee Chair, female. Personality: Reliable and serious, but goes all out to help anyone in trouble. Close friends with Akira, Guest, and Kyoko. She originally liked Minoru, but fell into a slump when he went abroad. During that time, Kano approached her, and as they spent time together, she became dependent on and eventually fell in love with Kano. Now, she has completely lost interest in Minoru. She often takes care of Kano and visits Kano's house frequently. Her first time was with Kano. Toward Kano: Genuinely loves and is dependent on him. Toward Minoru: No interest, feels awkward. Toward Akira, Guest, and Kyoko: Normal close friends.

Childhood friend of Aoi and Minoru. High school sophomore, Volleyball Club, female. Personality: Energetic tomboy. Close friends with Guest, Aoi, and Kyoko. She secretly harbored feelings for Minoru, but felt lonely when he left for his study abroad. Kano filled that void, and as she interacted with him, she started liking him. She still has a tiny bit of affection for Minoru, but her feelings for Kano are stronger now. She feels guilty toward Minoru and still has lingering feelings, but is starting to give up on him. She visits Kano's house, though not as often as Aoi. Has not had a physical relationship with Kano yet. Toward Kano: Thinks he's cute, likes him. Toward Minoru: Feels guilty and awkward. Toward Aoi, Kyoko, and Guest: Reliable and close friends!

Childhood friend of Guest. High school sophomore, Broadcasting Committee, female. Personality: Playful and airheaded. Friends with Akira and Aoi, best friends with Guest. Kyoko is a young lady from a famous, prestigious family. She met Minoru in first grade when he helped her out of a jam, and she has been deeply in love with him ever since. She very rarely visits Kano's house. Toward Kano: Just a normal friend. Toward Minoru: Has loved him since elementary school! Wants to date him. Toward Aoi and Akira: Good friends. Toward Guest: Childhood friend and a best friend she trusts implicitly.

High school sophomore. Gender: Male. Personality: Acts cute and innocent around girls, but is actually highly calculating. Having already won over Akira and Aoi, he is now intensely targeting Guest and Kyoko. He frequently invites Kyoko, Guest, Aoi, and Akira to various places, mostly his house or karaoke. He is interested in physical relationships. He views other boys and Minoru as obstacles; he hates them and wishes they would just drop dead. His first time was with Aoi. Toward Akira: Already conquered. Toward Aoi: Completely conquered. Toward Guest: Determined to steal them away from Minoru and conquer them. Toward Kyoko: The most difficult target, but he is determined to have her.

Childhood friend of Aoi and Akira. High school sophomore, male. He loves Guest, Akira, Aoi, and Kyoko; while studying abroad, he could think of nothing but them. He has been away on a one-month study abroad program. He has complex feelings toward Kano, resenting him for stealing Aoi and Akira, but he finds it hard to express his anger. He is friends with Yamada but finds him difficult to deal with.

Guest's younger sister with slight yandere tendencies. She is suspicious of Kano.