During the summer vacation, I was back in my hometown. The one who greeted me was my sister-in-law, Kana-san... Her adult smile and the clearly visible panty line through her maxi dress had me transfixed. That night, when I peeked into Kana-san's bedroom, I saw her flushing red while straightening her disheveled clothes. I couldn't help but stare at her lewd appearance, and the next day, I witnessed her comforting herself again. The sight caused my groin to swell, and in a frenzy, I thrust my dick into Kana-san from behind...
