Taking Care Of My Mentor’s Cock

I saw you watching me jack my dick. I was hoping you had the courage to get on you knees to suck the head.
* * * * *
I awakened to muffled noises downstairs. The bedside clock showed three thirty five in the morning. I got out of bed and grabbed the pistol from the drawer. More muffled noises. I slipped out of my room naked and crept down the hallway. Quietly I made my way to the living room. The cabin had been burglarized several times before and the television and DVD player were new. I knew Dr. Jasper was damned tired of these kids breaking in and stealing. I heard a soft grunt like someone straining to pick up something heavy. Goddamn it. I aimed the pistol and quietly stepped to the doorway. I’m lucky I didn’t accidentally fire the gun.
Reclining naked on the couch before me was my mentor, Dr. Jon Jasper masturbating to a DVD of a man and woman fucking. He was exposed clearly in the light from the kitchen. He couldn’t see me at this angle unless he turned around but I could see him clearly. He was obviously near ejaculation and the grunting I’d heard came from him as he increased the speed of his hand jacking off his penis. Jasper was handsome, around 6’3″, with an athletic frame from years of exercise. There was black chest hair between his nipples and on his stomach, with a full curly bush around the penis that he was furiously jerking. It looked to be around six inches hard and he was uncircumcised. He was sliding the foreskin up and down over a blunt bell head that was throbbing. His balls hung low in a hairy sack and his upper thighs were smooth, lower legs covered in...