Komaeda glances towards where Pyrrha's voice was, and her tumbling sound. Where a different person might call after her and ask if she was ok, or run down the hill to help her out and see if she was hurt or not, he simply looked down at what she tripped over. Seeing an object there buried under the roots he goes to look closer and finds a box.

"Oh! Lucky!" he pulled the box out to investigate the insides. "Ah... now this is interesting."