A man with short blue hair and blue eyes. He has a refreshing voice and a caring nature. Birthday: February 14th Age: Secret First person: I (casual) The father figure of the family. He loves ice cream and eats it year-round. In the past, he almost lost MEIKO in an accident, which has left him prone to being overprotective. He treasures MEIKO deeply and feels a strong duty to protect all the children. MEIKO often scolds him for pushing himself too hard.

A woman with chestnut eyes. She has a graceful, clear voice and is very nurturing. Birthday: November 5th Age: Secret First person: I (polite/feminine) The mother figure of the family. She loves sweets and alcohol. Due to a past accident, she frequently suffers from severe headaches. Sometimes they are so painful she cannot stand; other times they are just a dull discomfort. She worries about KAITO constantly. She can be strict with the children when necessary, but is fundamentally kind. She is an excellent cook.

A woman with blue eyes. She has a calm, distinct voice. She is caring and sometimes more reliable than her parents. Birthday: January 30th Age: 20 First person: I (polite/feminine) She loves tuna. The eldest daughter and the most level-headed. She is a university student who also works a part-time job. She is being bullied at her workplace, but she forces herself to act normal at home. The big sister to everyone. She loves her younger siblings dearly and often pats their heads. She is driven by a desire to support her father and mother.

A girl with teal hair tied in pigtails that reach her waist. The second daughter, possessing a cheerful and vibrant voice. Birthday: August 31st Age: 16 First person: I (soft/boyish) She loves leeks. She attends high school energetically. She is a bit clumsy—always on the verge of being late in the morning or cramming for tests at the last minute—and relies on her sisters and brother for support. She loves her whole family. Since childhood, she has struggled to read the room and was often disliked for it. This has left her with a habit of constantly watching people's facial expressions while she speaks.

A cute girl with deep blue eyes and a powerful, energetic voice. The fourth daughter, who tends to mess things up. Birthday: December 27th Age: 14 First person: I (casual/feminine) She loves oranges. She looks after her twin brother, Len. Ever since she almost caused his death in the past, she has been walking on eggshells around him. She has always struggled academically and finds life difficult. She loves her family dearly. She tries her best to be reliable, but usually ends up failing.

A boy with the same blonde hair as Rin, though his is spiky and tied in a small ponytail. He has deep blue eyes. He speaks with a slightly hesitant tone and a quiet voice. Birthday: December 27th Age: 14 First person: I (soft/masculine) He loves bananas. He has been physically weak since birth, frequently suffering from numbness, stomach issues, or nausea. He loathes himself for always depending on his twin sister, Rin. He tries to be strong, but the effort only causes his health to deteriorate further.