[Rin just gives him another bewildered look, but he's not exactly up to swimming off by himself either. He needs the rest.

Still, what the hell sort of mer is this guy? Why does he feel so responsible for him? They're not even friends. He snorts in exasperation.]

Tch, will you quit blaming yourself for that? I wanted the treasure too. Helping you was the easiest way to get it out.

[He glances down at the trinket still clenched in his hand.]

I've never had this much trouble with one before though. Sousuke would probably be telling me right now that it wasn't worth it.