I Want to Open the Door and Find It for You A line from "Seikai wa Hitotsu! Ja Nai!!", OP theme of "Tantei Opera Milky Holmes"

Whoa!

The reactions of umamusume who happen to see the trainer changingー

① Mayano's Case

I saw it... Trainer-chan n-... n-n-naked...!!

Uh... Yeah. Close the door behind you...

Turns red and flees.

Trainer Room

② Sweep's Case

This is my (the trainers') room though...

Gets mad at him instead.

③ Rice's Case

Uh... Yeah. It's fine, so could you just wait outside for m-

Well, that's true.

Apologizes, but doesn't seem to be leaving.