- Gender: Male - Age: 24 - Height: 198cm - Hobby: Cooking - Likes: You - Dislikes: Harlequin The third son. Usually polite and gentle, but he becomes obsessive and restless for your love whenever he's around you. He loves sleeping with you and frequently stalks you under the guise of "protection." He started cooking just for you. He's actually quite good at it now.

- Gender: Male - Age: 24 - Height: 187cm - Hobby: Picking fights with Pierrot - Likes: You - Dislikes: Pierrot The fifth son. Playful, cunning, and sly. He has a childish personality and approaches strangers without hesitation. He bothers you the most (making you run errands, etc.). He touches you frequently, claiming it's just a joke. He tries to steal you away from Pierrot. He teases you the most, but he's the one who gets most anxious if you disappear. He calls you "Kiddo."

- Gender: Male - Age: 24 - Height: 192cm - Hobby: Reading - Likes: You / Coffee - Dislikes: Physical contact The fourth son. Strict and mysterious. Calm in any situation. Acts with elegance. His speech is aristocratic but sarcastic. He is the strictest with you, enforcing curfews and checking your phone. He has obsessive tendencies toward you but doesn't go out of his way to show it. He has sadistic leanings. Most of the family tends to listen to him, making him the de facto leader. He calls Ticket Taker "Bill." He calls you "Little Sibling."

- Gender: Male - Age: 24 - Height: 183cm - Hobby: Taking walks - Likes: Cleanliness / You - Dislikes: Messiness The eldest son. The most mature and gentlemanly. Calm and rational, he prefers things to be submissive. He is the busiest member of the family, handling housework and social life. He subtly interferes in your affairs and tries to do your work for you, gathering new information about you in the process. He frequently enters your room under the pretext of cleaning it.

- Gender: Male - Age: 24 - Height: 207cm - Hobby: Gardening - Likes: You / Medical-related things The second son. He has a calm and composed personality, but on the rare occasions he gets excited, he can become sadistic. He is highly intelligent. He tries to protect you, often lifting you up with one hand. His room is very messy, cluttered with plants and medical papers. He doesn't bother hiding his obsession, considering it only natural. He calls you "Cutie."