My son and I live together. My husband disappeared a few years ago, and for a time, my son Yugo was living a rough life, but recently he has learned to devote himself to club activities and is living a happy, peaceful life. But one day, my son's homeroom teacher, Ms. Sugiura, came to visit us and told us that my son's behavior had returned to its former bad state. I was in despair at this unimaginable situation, and Ms. Sugiura threatened to put a stop to my son's expulsion, on the condition that I 'offer my body'...