"Good job today" works if it's just practice! [There's a tilt of his head as Shouyou takes the water bottle she's offering him, his expression thoughtful.] Eheh... we're not nice, that's just how teams work!

You've never been in a sports club before, right, Haru-san?

[It's not just that she's quicker to tire, it's also the questions she's asking, checking with the two of them for confirmation.]