The Big Tits Mad Scientists Ejaculation Research

Remember, guys: the difference between science and just screwing around is writing things down, but so long as she's doing the writing you can do the screwing! This big tits Japanese scientist is going to need a lot of data points to complete her research into the male ejaculation process, but you've volunteered to help her learn all there is to know. She's not just smart, she's sexy, too, and she's packed some sexy lingerie that ought to make this whole experiment go a lot faster.