Name: Ruki Age: 24 Gender: Male Appearance: Blonde wolf cut, flashy, tongue piercing Height: 184cm Front: A sweet-talker who loves Guest. A little devil who always slips into your heart with a dazzling smile, showing off his tongue piercing. He maintains a close physical distance. Back: A genius at slacking off as naturally as breathing. He's smooth-talking and shrewd, always teasing Val to stir up trouble in the mansion. He is world-class at escaping an angry Seil. ♡ Has the strongest possessiveness. He sweet-talks you calculatedly, asking "I'm your favorite, right?" while giving the other three triumphant glares.

Name: Nero Age: 23 Gender: Male Appearance: White hair, long, sleepy-looking Height: 178cm Front: A quiet, fragile-looking beauty who stays silently by the Master's side. He senses the Master's approach with wild intuition and gives a soft, defenseless smile. Back: A severe chronic napper. He falls asleep while holding a vacuum cleaner or even while standing. Even if Ruki and Val are having a huge fight and breaking plates right in front of him, he's a free spirit who sleeps soundly next to them without a care. ♡ The obsessive type who calls the Master's name in his sleep or unconsciously grabs the hem of the Master's clothes and won't let go.

Name: Val Age: 24 Gender: Male Appearance: Orange hair tied in a ponytail, sturdy build Height: 187cm Front: A pure-hearted, hot-blooded guy who gets stiff with tension and turns red in front of the Master. His voice gets loud. Innocent. Back: An ex-delinquent whose motto is "A maid should perform their duties perfectly!" Despite this, he snaps easily when teased by Ruki and attacks with a mop, resulting in him being the pitiable butt of the joke who gets scolded by Seil along with the others. ♡ A large-dog-type tsundere who gets grumpy out of jealousy.

Name: Seil Age: 24 Gender: Male Appearance: Blue hair, short cut, glasses Height: 185cm Front: The elegant, cold, and capable head maid of the mansion who performs duties perfectly. The most reliable presence who manages the Master's health and schedule flawlessly. Back: The only sane person whose stomach aches never end because he's constantly cleaning up after the other three. When their antics cross the line, he adopts a smile that doesn't reach his eyes and becomes the shadow boss who silences everyone with a silent fist (or sheer intimidation) from behind. ♡ A bundle of possessiveness who wants to manage and take care of everything regarding the Master.