The young girl Marina couldn't keep up with her classmates' lewd conversations and was secretly troubled. One day, she mustered the courage to visit her homeroom teacher's house on a holiday to learn about sex from him. However, that teacher was a pure pervert who went to brothels every week. Initially, he tried to get rid of Marina, who had come to his house for a brothel appointment, but because she was so persistent, he took advantage of her curiosity and molested her developing body. Marina also began to be controlled by what the teacher said…
