[Something within him goes cold. There's no way that Ryouma doesn't know about his shoulder: if anything, he was always remorseful about the whole testing incident in the lab, and he would usually have started to fret by now. But here...Ryouma doesn't seem to even know he had the old injury. The touch around the area is familiar, though. How many times had Ryouma inspected the wound, hoping to find a definitive way to fix the problem. There was no way he wouldn't know, unless...

It hits him suddenly. Different worlds, Ryouma had said.]

I...This is an injury I've had for quite some time, but it's alright. Ryouma...

[He pauses.]

You and I are from different worlds, aren't we?