Oh! That's— [Hmm. Ochako hones back in on Leliel, smile shrinking the tiniest bit.] I'm sorry.

[About his (lack of) memories? About asking her question in the first place? It's a combination of both, honestly, but while she is slightly curious as to just how bad his memory actually is... well, she feels like the best thing to do is to move right along. Happy thoughts!]

One day, if you're really bored, I can show you how to make them? Maybe we can make a new memory.

[Not that it can replace the one he potentially lost, but...]