During my summer vacation, I went back home to visit family. My older sister's wife, Kana, was there to pick me up... Her mature smile and the clear outline of her panties through her maxi-panty made it hard for me not to stare. That night, while peeking through their bedroom curtains, I saw Kana fixing her disheveled clothes, blushing profusely. Unable to resist her alluring figure, I continued watching her the next day. As she moved around in her revealing outfit, my cock throbbed uncontrollably. Without thinking twice, I slipped behind her and thrust my dick inside...※ Content may vary depending on distribution method.