[All this gratitude! It makes him blush a little.]

I- I suppose that you are correct. I... did do a favor for you, though I did not mean to request anything in return! I must commend you for your kindness, Maizono-kun!

[He beams at her. ... But then his expression shifts when looking down ahead of them.]

Maizono-kun, look out!!

[He tries to bring them both to a halt!!

Because right in front of them is a muddy puddle.]