Momoko, who teaches diligently in a noisy classroom, has always faced her troublesome delinquent students with a strict attitude in order to prevent them from failing. There were times when she felt like giving up, but thanks to her dedicated guidance, everyone was able to have a happy graduation ceremony this year as well. Momoko was alone in the silent classroom, immersed in memories, when the troublesome students who had been giving her so much trouble appeared before her. Momoko was surrounded by them, who laughed fearlessly and said, "We've been waiting for this day to thank you, teacher,"...