>>535118580
Its because she is a dork that can only be real with her feelings if you take her to the onsen.

>>534600412
She is rough around the edges due to past bullying for being short
But yeah she is a good girl who comes to think of the trainer as irreplacable or in her words "Get it through your thick head - you're the only trainer for me"
The other umamusume catch onto her liking the trainer pretty quick and use it against her at times

>>534243116
I like how certain people start to catch on too