Nande Koko ni Sensei ga!?

Ichirou Satou, a second-year high school student, becomes entangled in unexpected situations with his Japanese language teacher, Kana "The Demon" Kojima. Kojima has a reputation for being strict, even intimidating, which earns her respect from the school's delinquents. Their interactions start with a chance encounter in the school restroom, leading to a series of subsequent meetings that foster a closer relationship. These brief encounters have a lasting impact on Satou's life.