My wife and I returned to her parents' place after a long time. Her parents welcomed us warmly. During our gathering, my father-in-law started talking about wanting to see a grandchild, at which point my wife suddenly got upset and left the table. I told my confused in-laws that my wife is refusing nighttime activities and that she won't agree even if invited. Seeing their disappointment made me feel bad. I woke up late at night to use the toilet and stopped in front of my in-laws' bedroom because of the light leaking out. Peeking inside, I saw them in the act. Even though I thought I shouldn't watch, my sex-starved self couldn't look away. My erection wouldn't subside, and as I was hiding to masturbate, my stepmother came. I hurriedly tried to hide it, but she said wait, since your daughter isn't doing it you must be pent up right? If you're okay with me, I'll take care of it for you, and began stroking my cock. It had been a while since I was touched, so I quickly got aroused. However, my mother-in-law's handjob and blowjob were skillful and slow as if she wouldn't let me cum, and at the moment I reached the peak of ecstasy, she took it in her mouth... The next day, my father-in-law and wife went to a nearby izakaya. Because of what happened last night, my mother-in-law must be feeling awkward too… And the night grew deeper, but my father-in-law didn't return. I made up my mind and headed towards my mother-in-law's bedroom. As she slept, I gently lifted her blanket and began to caress her. Soon, her private parts started making wet sounds. The mother-in-law woke up with a start and was surprised. I couldn't hold back anymore, and half-forcefully inserted myself into her…
