A pure and serious classmate! Black Hair Lori Girls School Students' Effortful Rebellion!

The students of the student council have excellent grades and are only treated as black-haired classmates. One day, I was betrayed by a trusted teacher and a male student and was compelled to have sex in the school! A black-haired schoolgirl who gradually escalates her actions, such as being 4Ped in a physical education warehouse by a homeroom teacher at the toilet, and is beaten to become a toy. Four high-ranking students who are jealous of the crime but have complex emotions, but decide to revenge and turn them against boys!!!