SPRD-1122 Stepson Strong sexual desire son made stepmother head over heels

I am a terrible mother. Despite being in-laws, I can't stop thinking about my son's daughter-in-law's bulge... Just imagining that magnificent and hard thing right in front of me makes me so excited that I can't sleep... My daughter's husband has been living with us for a year. The Kyono household, with two generations under one roof, is always filled with laughter. Today too, we were enjoying our post-meal gathering. Yumi, to comfort her son-in-law's fatigue, gave him a massage. As she rubbed his shoulders and looked down, she noticed the bulge in his crotch. She had never paid attention to it before, but now it strangely caught her eye. Later, Yumi accidentally witnessed her son-in-law masturbating and was left speechless. His member was large and impressive, shooting out a massive amount of white fluid. One night, Yumi made love with her husband for the first time in a long while. But he went soft midway, and they couldn't finish. Yumi's frustration grew day by day, and she found herself increasingly fixated on her son-in-law's crotch. One afternoon, both her daughter and son-in-law were out, leaving only Yumi and the napping son-in-law at home. As he rolled over, his bulge caught Yumi's eye. Her heart started racing uncontrollably as she slowly approached him and gently reached out towards his crotch...