What on earth happened here? Roommate left the windows open overnight and a rainstorm soaked the plush toys? Spoiled the homework?

hmmm, same clothes, same hairstyle, same plushie only reversed colored, could be a split personality mind thing, i think it's the same girl...

[Pixiv comment:]
グローリア

「もういいよ、疲れたでしょう?」って、
先に逃げたアンタが言うな。

[which translates to:]
Gloria

"Stop it, I can't take it anymore", you say?
Someone who ran away can't talk back.