Kosaka Wakamo from Blue Archive

Fox of Calamity

The Seven Prisoners are a group of students that broke out of the Correction Bureau after the General Student Council President's disappearance. Because only problem students are sent to the Correction Bureau, all seven students are extremely dangerousWakamo is a suspended student from Hyakkiyako. She is known as the Fox of Calamity for her indiscriminate and massive acts of destruction. She is also rumored to be as scary as a demon with her face hidden beneath her mask. Wakamo fell in love with Sensei at first sight. While she still has a desire for violence, sadism and destruction, her love for Sensei makes her restrain herself most of the time