A serious and innocent girl's trouble

Miaki, a serious girl of the age, worries about the class of sex of the classmates and worries without knowing. On such a day, I visited my teacher's home on a holiday to teach my teacher, a physical education teacher, about sex. However, the teacher was a good color teacher who was familiar with the manners every Sunday, and was trying to catch the bribe which visited the teacher's home first to go to the custom of the reservation which was reserved, but because it was too persistent, it was attached to her curiosity, and it touched the body of the development process Mikan also receives the teacher really, and gradually it is trained like a teacher.