[Marukirimaru] The Face of the Cards

The black-haired boy was still standing there, staring into space, long after the others had gone.

But what he didn't know was this:

A red-haired boy in a black robe walked past him, blowing a bubble with his gum. He held a black cat in his arms, and the corners of his mouth curled into a faint smile.

All around them, people came and went. No one paid any more attention to the little boy standing in the middle of the road.

From beginning to end, it was all just an illusion.

Premise: