SCPX-551 It was supposed to be just a practice kiss for confirmation... but my sister-in-law's body was flushed, and she was clearly aroused.

Film Introduction

Can't stop, won't stop...escalating sexual urges. What was supposed to be just practice kissing turned into sudden infidelity, and before we knew it, our tongues were entwined and lips locked...we got serious. Once I noticed the erection, I couldn't help but touch...once I started sucking, I couldn't hold back from fucking. I ended up having a relationship with your little brother...