Yuka, a daughter who has become a university student, brought her boyfriend, Tsuyoshi, to study for the test. Tsuyoshi was honest and kind, and I was proud to have Yuka, who has such a boyfriend. However, Tsuyoshi didn't seem to think of me as her mother, and he attacked me as I was sleeping. Although it was forced, we once had a relationship, and secretly made repeated mistakes. Every time Tsuyoshi asked me to, I began to feel the joy of being a woman...