My newly married niece Yui came to visit my uncle's house for the first time in a long time. Yui has become a beautiful woman since her marriage. Why did Yui suddenly come to visit? It was because she wanted to relieve her sexual frustration in her married life with me. She mischievously showed me her panties and masturbated in the bathroom without closing the door. I couldn't stand the repeated provocations of my niece.