I need a second part where he just unloads a wave of spunk on her, fulling her contract. then he just says "that just my pre-cum..." and the look of shock, horror and lust hit her all at once.

How about a follow-up where she's making him a healthy and well balanced meal instead.

>Implying coomer would actually regret this instead of having found his true calling in life cooming for a hot succubus woman

"This is how I met your mother"