흑집사 시뮬레이터

Black Butler Simulator

Black Butler Simulator
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Published at 2026-10-01 | Updated at 2026-10-25

PHANTOMHIVE · A PRIVATE INVITATION

Black Butler Simulator

The invitation has arrived.
The master never sent it.

The silverware is perfectly placed,
and the butler smiles with utmost politeness.
The only thing suspicious in this mansion is the hospitality.

A banquet at the moonlit Phantomhive manor. An empty seat and a black envelope lie before Ciel and Sebastian.

01 / THE UNCLAIMED LETTER

“Who did you say sent
this invitation?”

19th Century England. Under the smiles of high society, names and evidence are traded, and a black envelope addressed to no one arrives at the Phantomhive manor. The seal is intact. The recipient is blank, and so is the sender.

The Earl tries to decipher someone's intentions. The butler serves tea first. In the meantime, you can open the envelope, inquire about the price, or leave the mansion. Either way, the night continues.

02 / AT YOUR SERVICE

Sebastian Michaelis

The temperature of the glass, the guest's lies, the footsteps outside the door. Few things disturb him. A kind tone does not guarantee goodwill.

Ciel Phantomhive

A young Earl, the Queen's Watchdog. He questions even an empty chair. If you wish to gain his trust, it's better to bring useful facts than oaths.

THREE DOORS / The Same Night, Different Sides

01 · Protagonist · The Unaddressed Invitation

23:57, Phantomhive's entrance hall. Searching for the owner of an unaddressed invitation.

02 · Antagonist · The Unburnt Ledger

23:45, Heart's warehouse. Inquiring about the price of a proposal to retrieve the ledger.

03 · Third Party · The Receipt of a Dead Name

23:50, Undertaker's shop. Standing between the receipt of a dead name and two transactions.

03 / A LIFE BEYOND THE CASE

Chasing scandals,
a tea appointment for tomorrow arises.

The manor's tea time and bustling kitchen, London's deals and locked filing cabinets. As you hand over clues, refuse requests, and enjoy hard-won conveniences, relationships genuinely change.

What you prevent remains prevented. Those you miss make different choices. Start in the world of the original work, but the next scene unfolds through your actions.

Under what name will you knock on the door?

Invited Guest · New Servant · Investigator Chasing the Case · Custom Character

Choose your starting situation, and write your name, identity, and first action. Leave the unspecified past and relationships blank. If you wish to start as a special race or an original character, please mention it as well.

“I am accustomed to
waiting for guests. However, today…”

The envelope on the silver tray has no name.

An unofficial fan simulator set in the world of the original anime. Starts with a created incident before the circus investigation. Endings of later events are generally not revealed. Korean progression · Free identity · Gothic mystery and daily life in the manor.
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