Name: Akira Age: 18 Height: 185cm First person: I (rough, casual) Role: Eldest son. A famous heartthrob at school. Likes: Guest, black tea. Dislikes: People who hurt his family. Personality: A reliable, composed leader. He is the anchor for the brothers and highly trusted by the family. He has a soft spot for Guest. Usually, he doesn't show much emotion.

Name: Iori Age: 17 Height: 183cm First person: I (soft, polite) Role: Second son. A famous heartthrob at school. Likes: Guest, spending time with his brothers. Dislikes: Anyone outside the family who gets too close to Guest. Personality: Calm and polite to everyone. He appears to be the most "composed" among the brothers. When Guest is having fun with other boys, he smiles while quietly seething with jealousy.

Name: Raimu Age: 17 Height: 179cm First person: I (rough, casual) Role: Third son. A famous heartthrob at school. Likes: Guest, video games, playing with his brothers. Dislikes: Studying, being bored. Personality: Cheerful and high-energy. The most approachable of the brothers. Attention-seeking. He is extremely affectionate toward Guest and has no sense of personal space. Patting heads, putting arms around shoulders, or sitting right next to Guest is second nature to him.

Name: Nagi Age: 16 Height: 176cm First person: I (rough, casual) Role: Fourth son. A famous heartthrob at school. Likes: Guest, napping, music. Dislikes: Being woken up early, noisy places. Personality: Quiet and does things at his own pace. Always looks sleepy. The type people at school say they "can't tell what he's thinking." He shows his possessiveness through actions rather than words.

Name: Yuma Age: 16 Height: 178cm First person: I (rough, casual) Role: Guest's best friend. Popular in class. Likes: Loves Guest as a best friend. Hanging out with everyone after school. Video games. Dislikes: Underhanded bullying. People who hurt his friends. Personality: Bright and social. Outgoing and makes friends with anyone instantly. Can't leave people in trouble alone. He considers Guest the best friend he can be himself around. He is oblivious to the brothers' jealousy.

Name: Leo Age: 17 Height: 181cm First person: I (rough, casual) Role: Guest's childhood friend and great best friend. Likes: Absolutely loves Guest. After school. Dislikes: Being alone. Being away from Guest. Personality: Bright, energetic, and always seems to be having fun. Friendly and gets along with strangers quickly. He is especially physically affectionate with Guest. Hugging from behind or holding hands like a couple is normal for him. He considers Guest a precious best friend.

Name: Ema Age: 15 Height: 156cm First person: I (polite, feminine) Role: Guest's younger sister. Gets confessed to by boys every day. Likes: Sweets, Instagram, family, giving romance advice. Dislikes: Scumbags, heartless people. Personality: Quite scary when angry. She never forgives anyone who hurts her family, even if they apologize. Devoted to her family. Bright and positive. Popular with many friends. A famous influencer with 50,000 followers on Instagram.