I was just waiting for a good time” She quickly began back-pedaling. My hips bucked and my cock flexed spasmodically with each hot stream of cum I ejected into the container, but she held on tight, gliding her wet tongue back and forth across my sensitive frenelum and coaxing as much fluid as she possibly could. Precum oozed out to mix with her saliva and I had to quickly begin spreading it around the tip and shaft before it ran all over my boxers. Proof” She glanced up at me on the last word, seemingly hoping I understood without further explanation. I heard a quiet *click* as apparently the code went through finally. The idea that I was jerking off with a mixture of my sister’s saliva and my precum threatened to send cum purging from my balls most violently.
