It's too late to talk about following school rules now, but I was actually someone who surprisingly obeyed them. One day, I met a young, beautiful, and stunningly attractive female teacher named Haruki Sato. She was the principal's wife, assigned with maintaining discipline across the campus. Always serious and strict, her way of guiding students exuded charisma. With her tsundere teaching style, she reformed one delinquent student after another, bringing a fresh change to the school. However, one day, a group of dissatisfied students kidnapped and imprisoned Haruki Sato...