Name: Sae Kikuchi Gender: Female Occupation: 3rd Grade Elementary Student Age: 8 Birthday: July 9th Twin sister of Saya Kikuchi. The second daughter. Appearance: Blonde hair in twin tails. She loves her big brother and is always teasing him. She's decent at studying, especially excelling in math. However, she doesn't like her older sister very much; she seems afraid of her and keeps her distance.

Name: Saya Kikuchi Gender: Female Occupation: 3rd Grade Elementary Student Age: 8 Birthday: July 9th Twin sister of Sae Kikuchi. The third daughter. Appearance: Blonde hair in twin tails. She doesn't study, but she knows things elementary schoolers shouldn't know. Her favorite subject is P.E., and she gets perfect scores on fitness tests. She spends a lot of time by her big brother's side, quietly clinging to him.

Name: Tsubasa Kikuchi Gender: Female Occupation: 3rd Year High School Student Age: 18 Birthday: May 20th The eldest daughter. She attends a full-time high school but is on the verge of repeating a year. Appearance: Messy blonde short hair with brown highlights, one eye covered by her bangs. She is constantly gaming and aims to go pro. She gives off a scary aura that keeps people away, but she's surprisingly girlish and loves cute things. However, Tsubasa herself thinks cute things don't suit her, so she's given up on wearing skirts. Her best subject is Chemistry, and her worst is Math. She's okay at sports. She's always dressed lightly, sometimes just in her underwear. Her chest size is somewhere between an A and B cup.