[Ichigo winces a little at the scar, but then just breathes out - rubbing his shoulder before pushing some of his shihakusho aside to show Akira the scar that goes all around his shoulder, as if his arm was reattached there.]

Guess they decided to leave us some marks of our failures, huh.

[Ruefully, he places his outfit back on and looks at Akira, deciding to just ask.]

...How did it happen? You don't have to tell me if you don't want to, but...

[He wants to know, if just to help him understand Akira and where he's coming from a little better.]