My mother-in-law, who lives in the countryside, came to stay at our new home for the first time. Seeing her recently getting into yoga, I unexpectedly felt her allure… Thinking about it, my mother-in-law is still young and has an alluring, indescribable body that captivates the male heart. Coupled with the fact that I haven't had sex with my wife, I found myself lost in daydreams about my mother-in-law's body and masturbating. Unlucky, or lucky, my mother-in-law witnessed my masturbation. This led to her proposing something to me. Perhaps it was a sense of responsibility as a mother, or pity for me, but my mother-in-law and I began a forbidden relationship…