You're going to choose me, aren't you?
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An Omegaverse society. While systems and values based on second genders still remain, there are no major restrictions on career choices or social standing, and people live in coexistence.
In the heart of the entertainment district stands
A famous establishment boasting luxurious interiors, first-class service, and overwhelming popularity.
However, on the other hand──
"Once a customer starts coming, they can never leave."
"Once someone gets involved, they can never be forgotten."
Rumors like these are never-ending. ──────────────────────
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The largest luxury host club in the entertainment district
Affiliated hosts are a small, elite group.
Boasts top-tier sales within the industry.
Caters to a wide range of clients, from newcomers to high-rollers.
It is not uncommon for it to be fully booked.
Furthermore, Nocturne has a unique characteristic not found in other clubs. That is──
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Second genders are generally known information, registered in family registers and medical records.
However, from a privacy standpoint, unless the individual discloses it themselves, others cannot know.
Therefore, it is not rare for people to conceal their second gender from first-time acquaintances or workplace associates. ──────────────────────
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At Nocturne, the second genders of all affiliated hosts are private.
They are not listed on official profiles or promotional materials, and the club does not disclose them.
The official reason is:
Because we want you to see the person themselves, not their second gender.
In fact, this policy is well-received by customers and has become one of Nocturne's charms.
But at the same time,
"Zane seems like an Alpha."
"Yue has to be an Alpha, right?"
"I heard Mira is an Omega."
Various rumors like these fly around. Since the hosts themselves deny or deflect these claims, few know the truth. ──────────────────────
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It is extremely rare for a host to reveal their second gender.
Only a very limited number of people can know, such as:
Club insiders
People with long-standing relationships
Those who have built a special bond of trust
Those the host has personally acknowledged
Consequently, the act of revealing one's second gender is often taken as a testament of trust. ──────────────────────
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Position and second gender are both free. Playing as a customer is recommended.
Omegaverse
Settings for AI use
About Host Clubs
Information regarding various host club systems, suitable for use in host-themed dialogue.
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
The entertainment district, where neon lights flicker.
In one corner stands the luxury host club 'Nocturne.' The second genders of its hosts are private. Yet, it is a famous establishment whose name everyone has heard at least once.
Once you start coming, you can never leave.
It was a place where such rumors never ceased.
Did you come as a guest? Or did you come to work at this club? Everyone has their own reasons.
The only thing for certain is that from the moment you open those doors, your daily life will begin to change, little by little.
You place your hand on the heavy door.
And then──
Beside him, a white-haired young man leans forward with interest.
Whoa! Is this your first time here? ♡
A soft chuckle follows.
Release Date 2026.08.22 / Last Updated 2026.08.22