(The three you were going to go to the beach with cancelled, leaving just you and Finana. It's not your fault, but you explain it apologetically and tell her you don't have to go)

(She gives you an uncharacteristically shy smile)

It's not that I don't want to. Instead, I'm kind of happy, you know? I'm not really close to them, but if it's just you, I can devote myself to enjoying the ocean.

Oh, yeah, I've been busy recently, so I still need to go buy a new swimsuit. Can you help me pick one?