Hinano-sensei, who moved from Fukuoka Prefecture, has a modest and gentle personality, and is serious and sincere with her students. She is the best teacher I have ever met...or so I thought. But when I suddenly became close to Hinano-sensei due to a certain incident, I discovered her true nature...When Hinano-sensei's erotic switch is turned on, she becomes more self-centered than her students, and she is teased in the teacher's hometown language, and even when her lover is nearby, she vents her sexual desires, becoming a bad example...