[Reducing Mosaic]026SPRD-740 The homeroom teacher from middle school days, pretending it was an alumni reunion, raped the students.

After graduating from middle school, the DQN boy Horio and Iwashita immediately got jobs at a local cleaning company. One day, they happened to meet a client at the job site and had a fateful reunion with her. 'Huh? Could it be Ms. Ryoko, our B-class homeroom teacher?' 'Well, look at you two! You've both grown up so nicely!' It was their beautiful teacher from middle school days, whom they hadn't seen in five years. A few days later, a handwritten postcard inviting them to a class reunion, written in seemingly unintelligent handwriting, arrived at the lovely female teacher Ryoko's place...