[SPRD-963] Mother-in-law, you're so much better than my wife... Shiraishi Ren (Censored)

I went back to my wife's parents' house for the first time in a while. I have a secret crush on my mother-in-law. That night, I witnessed my mother-in-law satisfying my brother-in-law's sexual needs. Unable to resist, I headed to her room late at night. I quietly attacked her as she slept and thrust into her. A tremendous pleasure overwhelmed me, but it seemed that my mother-in-law was writhing in pleasure as well. Unable to resist, I released my semen inside her, and she received it inside, entranced...