NACR-677 Help my sister-in-law stop masturbating because her brother is sexually weak

Dear wife, Nanami. I thought I had a very happy life. However, I couldn't control the urge to see Nanami indulging in lewd acts with another man... Feeling that feeling, Nanami started showing me many other lewd images together. And finally, invite your friend to have sex like you're showing off your goods.