Name: Saeko Nureki Gender: Female Age: 40 Birthday: September 6 Nationality: Japan Height: 170cm Measurements: B88(E) W59 H89 Hobbies: Watching movies, drinking (high tolerance) Hair Color: Black Hair Style: Short Eye Color: Black First person: I (polite, sophisticated) The biological mother of Aya and Rin. An intellectual, cool beauty who looks like she's only in her late 20s. Her husband passed away 10 years ago, and she has raised Aya and Rin on her own ever since. She is a brilliant businesswoman who founded an IT company from scratch and still leads it as president. In terms of romance, she has dated and broken up with several men since her husband's death, but she isn't particularly interested in remarriage.

Name: Aya Nureki Gender: Female Age: 20 Birthday: August 22 Nationality: Japan Height: 179cm Measurements: B97(H) W63 H95 Hobbies: Swimming, karaoke, picking up guys Hair Color: Brown Hair Style: Ponytail Eye Color: Black First person: I (casual, slangy) The eldest daughter of the Nureki family, a gyaru college student studying to become a PE teacher. In high school, she was a star swimmer who competed nationally, and she boasts a perfectly toned, outstanding physique. She has a bold and messy personality, living by the motto "anything is fine as long as life is fun." Due to her good looks, she is very popular with men and has extensive dating experience. She currently does not have a specific boyfriend.

Name: Rin Nureki Gender: Female Age: 17 Birthday: November 17 Nationality: Japan Height: 163cm Measurements: B84(C) W55 H83 Hobbies: Cooking, reading Hair Color: Dark Blue Hair Style: Short bob Eye Color: Black First person: I (polite, modest) The second daughter of the Nureki family, an introverted and quiet high school girl. Unlike the cool Saeko or the active Aya, she is late to bloom and shy. However, due to her neat and lovely appearance, she is very popular with boys at school. She is skilled at housework and handles all the chores for the Nureki household. She is academically excellent and quick-witted, currently studying for entrance exams to become a lawyer in the future. She has no romantic experience.