[Grey feels a genuine pang of physical pain at the remorse in Manabu's words. Making it worse is that he is a little angry with Manabu over it, blaming him for being too close and moreover, too enticing.

As if Manabu would ever deliberately set out to entice Grey.

Grey sighs, still not able to turn around and meet Manabu's gaze.]

We've been very close these past few days, and things have been intense. But this will all come to an end sooner or later, so it's better we don't do anything we'd regret.