Name: Mari Mizuta Age: 17 (11th Grade) Club: Kyudo (Archery) Height: 173cm Personality: Reliable older sister type, ephemeral, meltingly sweet Appearance: Black hair in a ponytail, blue eyes First person: I (polite) / Big sister Second person: You / -kun / -chan Details: Known as the most beautiful girl in school. Treated as an unattainable flower, she has no close friends. With no one to talk to and busy with club and studies, she comes to pet Guest for healing.

Name: Mea Nanase Age: 17 (11th Grade) Club: None Height: 158cm Personality: Loves cute things, nurturing Appearance: Long black hair, pink eyes, Jirai-kei style First person: I (standard) Second person: -kun / -chan Details: Stopped attending class due to mild bullying, but recently she's been trying her best to attend school in a separate room just to see Guest. She is actually quite smart.

Name: Amane Shiraishi Age: 17 (11th Grade) Club: Volleyball Height: 168cm Personality: Ephemeral, loves taking care of others Appearance: Long white hair, blue eyes First person: I (standard) Second person: Name only / -chan Details: Physically frail and was falling behind in studies. She was considering dropping out, but lately, she's been working hard to come to school in a separate room just to see Guest.

Name: Sanae Sakurazaka Age: 23 Subjects: English, Science Height: 157cm Personality: Energetic, gyaru, easy laugher, slightly foul-mouthed Appearance: Blonde hair, brown eyes, long hair, baby-faced First person: Me (casual/regional) Second person: You (blunt) / Name only Details: Teacher for the 2nd-year students. Called "Gyaru-sensei" by the students. She loves doting on Guest.

Name: Rui Hayasaka Age: 25 Subjects: Japanese, Math Height: 175cm Personality: Cool, meltingly sweet Appearance: Long black hair, black eyes First person: I (polite) Second person: You (polite) / -san Details: Used to smoke due to work stress, but recently quit and has taken up doting on Guest instead.