C26 First encounter with a roommate

I fell back into the classroom. As soon as I sat down, I felt a sharp pain in my tail. I didn't know who spilled the alcohol at the door, but when I fell down, a bunch of people started laughing at me.

Mouse noticed my strangeness and walked over. "What's the matter?"

"I fell." I replied.

Mouse listened to me, sat next to me, said a few words to me, and left