Yuta is a university student who secretly has a crush on Aki, a married woman who works at a library. Thanks to his frequent visits to the library, he becomes close with her and she recommends a book to him... Yuta is confused by the perverse sexual content of the book. However, Aki enjoys his behavior and continues to provoke him. When Yuta stays at the library at closing time, she whispers to him, "Do you want to know the rest of that book?" and plays with him. There is no way that innocent Yuta can resist her lewd invitation as she ravages his body with dizzying force...