You've met him? Huh. He's Shiro from alternate reality. Jack might be you from alternate reality. A horrible reality, it seems.

Hiroki frowns and thinks, His mind... he said some Ministry deleted his memories, so that's what this is. I'm sorry you had to see this, but Jack needs help.

The clone grins at that.
How about we make love anyway?

At the question, Hiroki replies, Of course! He needs a place...

And then he can't keep himself awake anymore and dozes off.