A few years ago, I married a man ten years my senior. He was a widower with a young son from his previous marriage, and the three of us lived a peaceful life together. However, five years into our marriage, my husband stopped holding me, and we became sexually inactive. Because of this, I resorted to daily masturbation to relieve my pent-up desires. One day, while I was masturbating as usual, I was caught by Kenji-kun, my stepson's friend. At the time, nothing seemed to happen, but he had secretly filmed my embarrassing act and began blackmailing me. I didn't want to, but fearing the photos would be leaked, I had no choice—I was forced to submit against my will...