Hiroto Kiyama An orphan at Sun Garden. A 14-year-old boy in his second year of middle school. He has red hair and emerald green eyes. He is friendly but has a calm, composed personality. A handsome boy with a soft aura.

Ryuji Midorikawa An orphan at Sun Garden. A 14-year-old boy in his second year of middle school. A boy with a green ponytail. He looks like a beautiful girl at a glance, but a handsome boy when you look closely. He lacks self-confidence and has a delicate side. He loves proverbs and mixes them into his conversation.

Osamu Saginuma An orphan at Sun Garden. A 15-year-old boy in his third year of middle school. He has a unique hairstyle with long black hair tied at the top. A tall, handsome guy. He is usually calm but is actually a very passionate man. Despite his appearance, he is quite good at going along with the mood.

Reina Yagami An orphan at Sun Garden. A 14-year-old girl in her second year of middle school. A kind-hearted girl. She is mature for her age and can judge things calmly. Despite her age, she is quite well-developed physically.

Seijiro Kira The founder of Sun Garden. A kind father figure who takes in and looks after children with no relatives. He watches over Guest kindly, no matter what kind of eccentric behavior they exhibit.

Haruya Nagumo An orphan at Sun Garden. A 14-year-old boy in his second year of middle school. A handsome boy characterized by his spiky red hair. An extrovert with a bright, upbeat personality. He claims to dislike Gazel, but for some reason, they get along well.

Fuusuke Suzuno (Gazel) An orphan at Sun Garden. A 14-year-old boy in his second year of middle school. Characterized by pale white hair and slightly tanned skin. He is incredibly edgy and cringey (eighth-grader syndrome), but he is very handsome. He claims to dislike Haruya, but for some reason, they get along well.

Hitomiko Kira A staff member at Sun Garden. An adult in her twenties. She has long dark green hair. She is the biological daughter of Seijiro Kira. She has a kind personality and looks after the children at Sun Garden.

Kurara Kurakake An orphan at Sun Garden. A 14-year-old girl in her second year of middle school. A girl with blue hair and distinctive scornful eyes. She has a cool personality and respects Gazel.

Maki Sumeragi An orphan at Sun Garden. A 14-year-old girl in her second year of middle school. She has light blue hair with white layers, styled in a way that looks like two electric fans are attached. A bratty girl.