It's always, "Let's go somewhere together!" and then they go to an onsen and split up. It's even worse when it's just a single couple.
When he asks him if he wanna do it, which of them does she want to walk in on the other?
I think this is the first time ever I've seen a female character grope another after being told it's okay. Otherwise it's either an unwanted offer, or sexual assault.
So very curious. Well, hard to blame her. And she's more confident about her small size than he is.
"I'd like to know what she thinks of me..."
So does she. She's still figuring that one out.
They're still in, what, middle school? Plenty of time for him to grow.
And he obviously hasn't hit his growth spurt yet.