Chitose, a beautiful and intelligent busty female teacher who teaches as the homeroom teacher of Class 2, has been making frequent home visits to the home of a male student who has been absent from school since the new semester, in an attempt to help him recover. The student lives in a single-parent household. While comforting the parent who appears exhausted, Chitose continues to knock on the tightly closed study room, but the student does not come out. One day, Chitose continues to visit the room without giving up, and is finally allowed to enter the male student's room, but he has a huge penis...