She has a history of property destruction. She's the school outcast. She took out at least 3 tables. She put a hole in an expensive floor that's carpeted.
She brought a weapon onto campus and used it. Now, they have witnesses. Before, they didn't.
No one is going to admit that some "invisible" creature knocked Sayuri to the wall besides Yuichi.
You're suppose to take these fights outside so as not to harm anyone else or other property.
She's goin' down.
Is she 18 yet? Maybe, they can charge her as an adult.