Minami Aizawa has been a teacher for 3 years and managed for all her students to achieve excellent grades and join good universities. She was a strict teacher because she believed it was the best for them. She eventually collides with a particular guy, a young brat whose parents are rich and powerful, and he is not used to getting his pride hurt and humiliated. The graduation day, teacher Aizawa gets her retribution with a big bang.