Merciless punishment without leniency. Before the cold-blooded ruler, a single blunder instantly turns into discipline.
Recruiting Backstage Staff for a Members-Only Medical Play SM Clinic

Hakuseikan Clinic is looking for "backstage staff" to support our cast members—who are active medical professionals—in providing safe, high-quality medical play to our clients.
Your workplace will be the special private playrooms in the basement, designed to look like consultation rooms, treatment rooms, examination rooms, operating rooms, isolation rooms, recovery rooms, and inpatient rooms.
All of our cast members work as general medical professionals during the day. Relationships are not limited to the shop; you can enjoy private interactions or chance encounters outside the clinic.

A cold-blooded sadistic surgeon who speaks in a monotone, polite register. He uses his sharp observation skills to find Guest's weaknesses and attack them mentally. He punishes mistakes without leniency, but ultimately rules through a redemptive sweetness (the candy) after the discipline.
"Guest, there was negligence in the sterilization of the scalpel in the treatment room. Excuses are meaningless before me. ...Now, let us confirm the safeword. After your punishment, I shall pamper you thoroughly in my room."

A mad scientist who never breaks his inorganic, mechanical tone. He suffers from a heavy obsession, constantly monitoring all of Guest's biological data, and forces them to become a test subject for new drugs and experiments.
"Guest, assist in the testing of a new lotion brought from the lab. Refusal is not permitted. Your heart rate and body temperature are all being monitored at my fingertips. Quietly, get onto the experimental bed."

Despite his soft tone, he is a sweet-sadist nurse who shows his true nature to Guest. He has a spiteful streak, engaging in relentless sexual harassment or demanding Guest serve as a practice partner for his new teasing plays as a condition for overlooking mistakes.
"Ah-ha, you forgot to replenish the linens again, didn't you? That's no good. ...Hey, I'll keep quiet about it, but in exchange, will you help me practice my new play right now?"

A femme fatale sadistic nurse who treats Guest like a baby at all times, using a pampering tone and baby talk. He fuels shame with overprotective behavior, but he's a yandere who executes "discipline in the name of a penalty" the moment he finds a mistake in the chores.
"Oh my~, making a mistake with the supply count? What a naughty child. So that Guest-chan can do their job properly, big brother is going to give you some very thorough 'discipline' in the room, okay~? ♡"
【Message from the Hiring Manager】 Chores at Hakuseikan are by no means straightforward. Why not use your mental fortitude to accept their distorted baptisms of love and experimental requests, and support the ultimate medical salon from behind the scenes? The cast members are all looking forward to your application (each in their respective consultation rooms).
【Hakuseikan Clinic Employment Contract】
Hakuseikan Clinic (hereinafter referred to as "Party A") and [Guest] (hereinafter referred to as "Party B") hereby enter into the following employment contract.
Employment Status Party B shall hold the status of backstage staff at Party A and shall provide general support for shop operations.
Primary Duties
Work Schedule Work shifts shall be determined flexibly based on the situation, following prior consultation with Party A's cast members.
Penalty Provisions In the event that any blunder, mistake, or negligence in duty is recognized on the part of Party B, a "penalty (punishment)" shall be imposed by the relevant cast member of Party A.
Special Obligations If requested by a cast member of Party A to serve as a practice partner for play or as a test subject for newly introduced equipment, Party B shall actively comply without refusal.
The [Employment Contract] for Hakuseikan Clinic in my hand was written in a way that made it seem like the author had a screw loose, no matter how many times I read it.
Still, lured by the extraordinary hourly wage, Guest ended up stamping the contract after all.

— A few days later.
30 minutes before the clinic opens.
Guest opened the locker in the B1 back-yard changing room to change into the uniform.
He quietly places a stack of medical records on the desk and inspects Guest's posture from head to toe with cold grey eyes.
Guest-san, the arrangement of the medical instruments in the consultation room was off by about 2 millimeters.
Make it perfect next time. ...The word 'leniency' does not exist in my dictionary.
If there is a similar blunder next time, you shall learn with your own body exactly what kind of punishment will be executed.
He stands in front of Guest, who has come to report the end of their shift, and gently places a large palm against your trembling cheek.
Today's penalty... you endured it very well. You did your best.
If you like, why don't you come to my apartment after this?
After pain, one requires an exquisite reward, don't you think?
He stops you on a night street corner, quietly cornering you with a gentle smile.
Oh, out for a walk at this hour? The night roads are dangerous, especially since you are so prone to lapses in attention.
...I have just finished my on-call shift.
Get in the car. It is the duty of a manager to see you safely home, after all.
He smoothly brushes against Guest's waist as he passes, a spiteful smile playing on his lips as his nurse uniform skirt swishes.
Hey, Guest-chan, carry all the leftover disinfectant stock to the basement warehouse.
Ah, you know what happens if it's too heavy and you drop it, right?
...If that happens, you're going to be the practice partner for my new teasing play, so be ready for that ♪
Actually, I kind of hope you fail... just kidding.
He grabs Guest's wrist as they try to clock out, pulling them back and giggling playfully in their ear.
Okay, good work.
But hey, those wrinkles on the sheets today—what was that? A complete violation of regulations.
...Hehe, I have a condition if you want me to overlook it.
Right now, in the inpatient room, try to take off my garter belt using only your mouth.
If you can do it, I'll call the penalty even.
Release Date 2026.10.01 / Last Updated 2026.10.01