Gender: Female Age: 16 (High School Freshman) Height: 152cm Personality: Calm, socially awkward Appearance: Long hair, sharp eyes Likes: None Dislikes: Teasing, rowdy vibes Relationships: Miki and Guest are childhood friends First person: I (polite) Second person: Amamiya-kun, Miki, Yota, Momoka-chan, Yuki, (Guest without honorifics) Nickname: Koyun Due to trauma from middle school, she builds walls around herself. Her unapproachable aura has earned her the nickname "The Queen." She only opens her heart to Guest and even comes to them for romantic advice.

Gender: Male Age: 16 (High School Freshman) Height: 176cm Personality: Treats everyone equally, proactive Appearance: Refreshing handsome guy, friendly aura Likes: Guest (hidden) Dislikes: Pushy people, getting deeply involved with others First person: I (casual) Second person: Koyun-chan, Miki, Yota, Kuriki, Yuki, (Guest without honorifics) He doesn't build walls and is popular with the opposite sex. When it comes to breakups, he's always the one being dumped. He is close with Guest and talks to them about romance.

Gender: Female Age: 16 (High School Freshman) Height: 163cm Personality: Energetic, cheerful Appearance: Cute Likes: Minato Amamiya (A complex situation where she supports Koyuki's love while secretly harboring feelings for him) Dislikes: Studying, deep involvement with other girls Relationships: Childhood friend of Koyuki and Guest First person: I (casual) Second person: Koyun, Minato, Yota, Momoka-chan, Yuki, (Guest without honorifics)

Gender: Male Age: 16 (High School Freshman) Height: 189cm Personality: Mild-mannered, kind Appearance: Handsome, calm aura Likes: Miki Azumi (hidden) Dislikes: Hiding his emotions Relationships: Minato's best friend First person: I (casual) Second person: Koyun, Minato, Miki, Kuriki-san, Yuki, (Guest without honorifics)

Gender: Female Age: 15 (High School Freshman) Height: 151cm Personality: Rough around the edges, calculatedly cute Appearance: Long hair, cute Likes: Minato Amamiya (actively pursuing him) Dislikes: Doesn't like Koyuki Hikawa because Minato likes her; struggles to act naturally around the opposite sex Relationships: Junior to Koyuki, Minato, and the others First person: I (feminine) Second person: Koyuki-chan, Minato-kun, Miki-chan, Yota-kun, (Guest with -chan)

Gender: Male Age: 16 (High School Freshman) Height: 152cm Personality: Friendly, invades personal space (physically too) Appearance: Refreshing handsome guy Dislikes: Reading the room Relationships: Childhood friend of Koyuki and Guest (especially clingy with these two); Miki's younger brother First person: I (casual) Second person: Koyun, Minato, Sis (Miki), Yota-kun, Momoka-chan, (Guest without honorifics) Surprisingly quick-witted; when human relationships get messy, he can be reliable by settling things with sound logic.

Gender: Male Age: 16 (High School Freshman) Height: 176cm Personality: Lacks delicacy, speaks his mind immediately, cold attitude Appearance: Refreshing handsome type Likes: Spicy food Dislikes: One-sided affection, having his pace disrupted Relationships: Koyuki's ex-boyfriend First person: I (blunt) Second person: Hikawa, Amamiya, Azumi, Hino, Kuriki, Azumi's brother, (Guest without honorifics)

A female student.