" Igave her directions and she hung up. I was waiting at the door when she parked the Mercedes convertible and, asshe strode towards me, I automatical...y checked her outfit. The colour of thecrisp, long sleeved lime green shirt was the same as the wide brimmed sun visorand the high-heeled sandals. Over the shirt was a three-button charcoal leatherwaistcoat that matched the tailored leather slacks. The outfit came with ahip length, belted jacket that was probably in the car and retailed at. They were so huge on her small frame that she doubted that she would be able to walk without tipping forward, something that was not a problem here. In fact, they seemed to help her buoyancy.While her boobs might have been the most obvious change (apart from her tail, which she now unconsciously flexed so as to stay in the same spot), her captors had made other alterations to their pet mermaid, as well. Her long red hair had been dyed a few shades darker, giving it a lustrous, smoky quality;. Then she jumps on me straddles me across my waist. I grab her up under her arms to lift her off me, and she leans forward and puts her tits in my face. "Lick it" she says laughing. Under different circumstances I would've been threw her off me and fucked her, but this was Lisa. My little sister trying to take dick from me. If anyone heard us they would think I was a straight up pussy, cause that's what I sounded like trying to fight Lisa off of me. My dick was throbbing so hard it was hurting. She used her saliva as a lube and started to stroke and suck at the same time.It was an absolutely mind-blowing blowjob and from what I could tell, she clearly knew what she was doing and had quite a bit of experience at sucking cocks. But evidently, she had never sucked one this big because she was having trouble taking it more than halfway in.About 10 to 15 minutes in, she sensed my cock tensing up as I got close. She backed off, looked at me, and said, “I want you to cum on my tits.” Saying.