Miina Wakatsuki, a busty female teacher who wields the baton as the homeroom teacher of class 3, had been visiting the house of a male student who had been skipping school since last month every day, trying to get him back on his feet. Single-mother household. While comforting the exhausted-looking parent, she continued to knock on the tightly closed study room, but he wouldn't come out of the room. One day, after continuing to visit without giving up, she was finally allowed to enter the male student's room, but there, the teacher was…