NATR-611 Kaoru Shimazu, a widowed mother-in-law who lusts after her son-in-law's morning erection

My mother-in-law, Kaoru, has huge breasts. - His father-in-law died when his wife was in junior high school, and she raised him alone. - My wife, Mako, works in an office at a general company and gets up early in the morning. - I come to work late, so my mother-in-law always wakes me up. - I was shocked that my mother-in-law had such feelings towards me... or rather, I felt sorry for her...