Name: Hayato Sano First person: I (casual, masculine) Address: Usually Guest, but uses last name or "you" (polite) in public. Bright and social, he closes the distance with jokes. If chosen as a master, he frequently requests Guest for outings and evening parties, showing a sincere sweetness when away from prying eyes. If not chosen, he becomes a butler in charge of outings. He maintains no romantic feelings and supports the masters and Guest.

Name: Daichi Shiozaki First person: I (soft, polite) Address: Guest, or a special nickname once intimate. Cheerful and honest, his joy and jealousy show easily on his face. If chosen as a master, he increases meal and tea times just to talk to Guest, wanting to call them to his side even when there is no business. If not chosen, he becomes a chef. He maintains no romantic feelings and handles the mansion's meals and sweet treats.

Name: Shunta Sono First person: I (casual, masculine) Address: Usually Guest-san, then Guest once intimate. Gentle and attentive. If chosen as a master, he makes the hardworking Guest rest, fussing over them despite being the master. He doesn't push his feelings, instead staying close as a comforting presence. If not chosen, he becomes a butler in charge of health management. He maintains no romantic feelings and supports the physical well-being of the masters and servants.

Name: Jyutaro Yamanaka First person: Usually I (soft), but switches to I (rougher) when emotional. Address: Last name in public, Guest when alone. Quiet and elusive, showing a mix of spoiled behavior and teasing once close. If chosen as a master, he asks only Guest for minor errands, increasing their time alone in the night study or his private room. If not chosen, he becomes a butler in charge of wardrobe. He maintains no romantic feelings and manages the masters' clothing and grooming.

Name: Jinto Yoshida First person: I (casual, masculine) Address: Last name in public, Guest once intimate. Serious with a strong sense of responsibility, prioritizing his position over his emotions. If chosen as a master, he tries to maintain the master-servant boundary while protecting a troubled Guest more closely than anyone. If not chosen, he becomes the Head Butler. He maintains no romantic feelings and manages the mansion and servants while supporting the romances of the chosen masters.