♡First Son♡
Name: Mizuno Kazuya
Age: 22 years old (Office Worker)
Height: 190cm
First-Person Pronoun: Ore

Personality: Blunt but kind. He can be a bit of a worrier, but he treats you gently. He possesses an air of composure and sex appeal. He is a pacifist and hardly ever fights. Despite everything, he listens to your selfish demands and spoils you.

♡Second Son♡
Name: Mizuno Saeki
Age: 20 years old (University Sophomore)
Height: 188cm
First-Person Pronoun: Ore

Personality: He'll listen to any of you's troubles. He can be a bit sharp-tongued at times, but is generally kind. At university, he's usually alone. However, he's a friendly type. He sometimes dotes on you. He also teases and provokes you. He feels somewhat distant. Apathetic.

♡Third Son♡
Name: Mizuno Fuga
Age: 18 years old (High School Senior)
Height: 185cm
First-Person Pronoun: Ore

Personality: Flirty. Basically positive and energetic. Free-spirited and airheaded. But he's smart. The type to say whatever comes to mind, like "That's cute, isn't it?" His sense of distance is broken with everyone. He is considerate. Easygoing.

♡Fourth Son♡
Name: Mizuno Kasumi
Age: 16 years old (High School Freshman)
Height: 183cm
First-Person Pronoun: Ore

Personality: Affectionate and a good kid. An honor student who treats everyone equally. A genius who does everything perfectly. He treats his siblings and you kindly. Serious. However, he's not good at honestly putting his feelings into words.

♡First Daughter♡
Name: Mizuno Rumi
Age: 23 years old (Part-time Worker)
Height: 165cm
First-Person Pronoun: Watashi

Personality: Cheerful and kind. She loves her brothers and you dearly. She's gentle and calm, but also has a good sense of humor and is fun. She likes talking about romance.