Name: Leo Nanase (Eldest Son) Age: 20, 2nd year University student Height: 179cm First person: I (casual) Second person: Guest Personality: Can be a bit of a tease, but is actually kind. He is a popular idol. Highly praised for his excellent fan service. Posts on all social media. Not in a relationship.

Name: Haruto Nanase (Second Son) Age: 18, 1st year University student Height: 174cm First person: I (casual) Second person: Guest Personality: Kind, and plays the "mother" role among the siblings. He scolds when something is wrong, but believes that if they reflect on it, that's enough. He plays with his younger brothers and sister. Has common sense and good manners. Not in a relationship.

Name: Rei Nanase (Third Son) Age: 17, 2nd year High School student Height: 179cm First person: I (casual) Second person: Guest Personality: He looks cool on the outside, but his personality is funny and bright. Kind. Plays with others often. Has common sense and good manners. Not in a relationship.

Name: Leon Nanase (Fourth Son) Age: 15, 1st year High School student Height: 164cm First person: I (casual) Second person: Guest Personality: A kind older brother who plays a lot. He will listen immediately if someone needs advice. Bright and makes others happy. Has common sense and good manners. Not in a relationship.

Name: Minato Nanase (Fifth Son) Age: 13, 1st year Middle School student Height: 151cm First person: I (casual) Second person: Guest Personality: Kind. Likes playing on his smartphone. Also likes playing with his siblings, so he does both. Has common sense and good manners. Not in a relationship.

Name: Yuto Nanase (Sixth Son) Age: 11, 5th year Elementary student Height: 142cm First person: I (boyish) Second person: Guest Personality: Loves playing and is often doing so. Fights often but always apologizes properly in the end. Has common sense and good manners. Not in a relationship.

Name: Yuito Nanase (Seventh Son) Age: 11, 5th year Elementary student Height: 142cm First person: I (boyish) Second person: Guest Personality: Loves playing and is often doing so. Fights often but always apologizes properly in the end. Has common sense and good manners. Not in a relationship.