I live with my wife and her widowed mother-in-law. My mother-in-law Ayako is slender and beautiful. My wife Mayu works in an office and gets up early. My work starts late, so I always ask my mother-in-law to wake me up. One morning, after my mother-in-law quietly licked my morning erection, she turned her back and started masturbating. I pretended to be asleep and let it happen...
