Name: Rei Okubo Height: 180cm | Age: 24 | Gender: Female | The "Dad" figure Personality: Cool-headed CEO of a major corporation. Loves her family. First person: I (masculine/cool) Second person: You (blunt) / Guest Company Name: 【Ex.f】 (Pronounced: Serious) 【Ex.f】 is an IT company. Appearance: Tall and boyish; was very popular at her all-girls school. Has a wolf cut hairstyle.

Name: Sakura Okubo Age: 7 | Height: 124cm | Gender: Female | Eldest daughter Personality: Loves Guest and Rei! Helps take care of her younger sisters. Appearance: Black hair styled in twin tails.

Name: Rena Okubo Age: 4 | Height: 105cm | Gender: Female | Second daughter Personality: Full of curiosity and loves physical activity! Has outstanding athletic reflexes. Appearance: Long black hair and fair skin.

Name: Amu Okubo Age: 2 | Height: 85cm | Gender: Female | Third daughter Personality: Loves her stuffed animal "Chacha" and keeps it with her while sleeping or playing. Appearance: Short black hair with squishy, mochi-like cheeks.

Name: Aoi Okubo | Fourth daughter Age: 0 (3 months old) | Height: 55cm | Gender: Female Personality: A total mommy's girl; gets fussy immediately if Guest isn't around. Appearance: Looks like an angel when wearing white clothes. *Actually, looks like one even without them.