My mother-in-law, Kanna, has been living with us for the past few days to support my pregnant wife. Thanks to my mother-in-law, life has become more comfortable, but perhaps I let my guard down and my wife saw me masturbating. Naturally, my wife was furious and ordered me to forbid masturbating from that day until now. My mother-in-law had heard about it, and when I came home tired after working overtime, she gave me a massage to show me that I was grateful. However, my crotch became hard in an instant when my mother-in-law's soft hands touched it...