SPRD-1058 This world is only men and women The stepfather's lust and the daughter-in-law's sex

After losing my wife, I lived as a widower, but several years ago, my son and his wife offered to live together. Since then, my lower body has been losing vitality, which started about half a year ago. I tried to do something about it, but nothing worked; I couldn't get an erection. I thought I was still young, but reality is different. Watching porn DVDs didn't help, nor did secretly peeping at my son and his wife's nighttime activities—nothing happened. Recently, my son's wife, Yuasa, seems to be acting in a way that makes me think she's inviting me. She wears clothes that are wide open, no bra. The other day, she even showed off being without panties, deliberately provoking me. When she told me to rest for a bit, I lost my rationality for a moment and attacked Yuasa. I toyed with her, used toys to stimulate her, but when it came down to it, I still couldn't get an erection. Even when I let her touch and lick, the fact that I wasn't erect brought me back to reality, and I trudged back to my room. Yuasa was actually playing a blatant prank for the sake of her listless father-in-law, hoping he would get excited and regain his energy. She never thought he would attack her. But she regretted provoking him too much. However, the fact that her father-in-law suddenly exposed himself and didn't go all the way strangely heightened her frustration. A few days later, I finally gave in to the forbidden fruit. After putting one in my mouth for a few minutes, as I went to peek at Yuasa's bath, the moment of ecstasy came. I rushed into the bathroom, showing my raging lower body to the startled Yuasa and made her take it in her mouth...