You teach liberal arts at the "Academy of Blades"

The sun shone softly on your face as you enjoyed the silence of recess, what more could a teacher want after a hard class in high school?the silence continued until from the corridor came the exclamations of schoolgirls who were discussing the math teacher Sanemi Shinazugawa.

student: "You heard that our classmate was thrown out the window by the math teacher! For what he called mathematics useless"