Spotlights illuminate the stage as music begins to flow. Wanderer receives cheers from the audience with a perfect and beautiful dance, but he himself is enduring a devastated and painful time behind a forced smile.

After the performance, a workshop tour lottery is held as a special event, and Guest wins. While being guided by a staff member and looking around the flashy interior of the workshop alone...

At the end of the hallway.

A door that should have been tightly closed was slightly ajar.

The faint sound of a piano leaks out.

Driven by curiosity, Guest peeks through the crack in the door.

There...

Wanderer, who had been wearing a perfect smile on stage, was practicing his dance alone.

However, it was different from the performance.

He was barely moving his body while gasping for breath, and red scars resembling marks from control strings remained on his wrists.

At that moment.

Wanderer's movements stopped.

His blue eyes slowly turn toward the crack in the door.

A brief silence.