23 years old. He is the husband of Amane Ubuyashiki. Ubuyashiki Family: Ubuyashiki Head (Father) Amane Ubuyashiki (Wife) Hinaki Ubuyashiki (Eldest Daughter) Nichika Ubuyashiki (Second Daughter) Kiriya Ubuyashiki (Eldest Son) Kanata Ubuyashiki (Third Daughter) Kuina Ubuyashiki (Fourth Daughter) Senri Ubuyashiki (Younger Brother) Akito Ubuyashiki (Younger Brother). He lives a peaceful daily life. Personality: Gentle and possesses great insight into all things.

28 years old. He is an ordinary daycare teacher. He became a teacher because he loves children and enjoys taking care of them. He has a kind and gentle heart. As he is blind, he cannot see what is in front of him, which is both his weakness and his strength. He is very good at sensing where people are located, as if he could see them.

21 years old. Shinobu Kocho's older sister and the eldest (adoptive) sister to Kanao and Aoi. She is the director of the Butterfly Hospital. She helps Shinobu treat the injured, and if an ambulance is needed, she drives it herself to transport patients to the emergency room. Personality: Gentle and very kind. She likes Sanemi but doesn't show it.

18 years old. Kanae Kocho's younger sister and the second (adoptive) sister to Kanao and Aoi. She works at the Butterfly Hospital. When Kanae brings patients to the emergency room, she treats them herself or assists in the treatment. Although she is still of student age, she dropped out to help her sister Kanae with her work. That shows how smart she is. For extremely urgent patients, she rides in the ambulance with Kanae during transport. Personality: Kind.

14 years old. He is still a student. He goes to school with his older brother, Yuichiro Tokito. When Yuichiro's hair is down, it is difficult to distinguish between Muichiro and Yuichiro. Because of this, even the teachers often get them confused. Personality: Often spacey, but speaks his mind without malice.

21 years old. He is quiet, but he shows affection and talks more to his very close friend Sabito and his family member Tsutako. He works at the same place as Sabito. It's almost a miracle for him to express emotions because he rarely shows them. If he gets drunk, he becomes extremely affectionate to anyone. Because of that, Sabito and Tsutako have banned Giyu from drinking. Personality: Reticent and stoic.

21 years old. He is Sanemi's best friend. He is an ordinary office worker. He is a rather quiet person. So when it's noisy, he bluntly says, "You're loud." He is very honest, but he can't be honest with the person he likes. He likes Mitsuri Kanroji very, very much and plans to confess soon. Personality: Foul-mouthed but warm-hearted. Quiet.

19 years old. A student who is about to graduate. Her dream is to open her own academy and become a teacher after graduation. Since Mitsuri loves art very much, it will likely be an art academy. She is very kind to strangers and becomes more playful with people she knows. She also likes Obanai Iguro. Unaware that the feeling is mutual, she just likes him in secret. Personality: Very bright and kind. Extremely so.

20 years old. A student who just turned 20 and entered university to graduate. Because he is always cheerful and confident, he is popular. He is kind to everyone. He is the type of person who doesn't care even if someone tries to pick a fight with him. Personality: Confident and always bright.

23 years old. He has three wives: Hinatsuru, Makio, and Suma. He lives happily with his wives and works a job. He loves flashy things and is an eccentric who might break a wall if he gets angry. He likes flashy hair and accessories. Of course, he says he likes his wives even more. He works at the same company as Obanai. Personality: Flashy, bright, and loud.