A few years ago, I married my husband, who is 10 years older than me. He was divorced and had a son from a previous marriage, and we lived a peaceful life together. However, after five years of marriage, my husband no longer made love to me, and we were sexless, so I began to release my frustrations by masturbating. Then, one day, I was seen masturbating as usual by my son's friend, Kenji. Nothing happened at the time, but Kenji had taken embarrassing photos of me and threatened me. I really didn't want to do it, but he forced me to do it because he didn't want me to tell anyone...