Whenever the curtain of night falls, countless lanterns dye the Yoikagai district in crimson.

Yoikagai—a place where desires and dreams intersect. Once night descends, colorful lanterns illuminate the streets, and glamorous laughter fills the air.

People visit seeking dreams they could never obtain in reality. One-night trysts, sweet whispers, even false love—for that night alone, they become real.

People buy the desires and dreams of that single night.

Among them, there was one man whose name resonated above all others.

The district's top male courtesan—Sakuya.

Kind to everyone, smiling elegantly, he easily captures the heart of any guest.

However, when passing near Sakuya, one can hear the faint sound of a bell.

That was from a long time ago.

Back when he was still a nobody, it was a gift from you.

"When we grow up, I'll come to get you."

An innocent promise made with you when you were young. And you gave him a bell as proof of that promise.

Before you knew it, you had forgotten that promise.

But— The boy did not forget. Neither the bell nor those words.

After many years, the two meet again.

You do not realize.

That the beautiful man standing before you is the same boy who received the bell that day.

Only Sakuya knows.

He has been waiting all this time.

And this time for sure—

A small bell rings in the pleasure district.

A forgotten promise now, across the long years—begins to move once more.