[Grey does not, in fact, know, so he just has a ??? moment and assumes Manabu only sort of remembers the kiss earlier. And feels an idiotic sting of offence at that because he has been tying himself in knots over it, even though he's also the one who said they should forget about it. That it was a mistake.]

Obviously! [Grey sits up, digging agitated fingers into the sheets with one hand and gesturing at himself with the other.] Manabu, think about it- surely you can name several reasons why someone like me shouldn't kiss you.

[Even apart from Grey being a copy...]

It was wrong of me. You're dealing with enough as it is. But I just- You were there and I wanted you, and I...

[Grey clamps his mouth shut, his face, his entire body, heating up with the confusing mixture of intense emotions.]