After being forced to exchange her body for a recommendation, Aira grew tired of school and took a week off. Then her homeroom teacher came to her house and, as usual, asked for sex. She tried to refuse, but he brought up the subject of her parents, and she ended up giving in. Aira's body was developed from a girl into a woman, and even though she didn't want to, she writhed in pleasure. When she felt good, she became a slutty girl who couldn't speak...