姐妹世界（性感女神游戏工作室）#78 - misskitty2k的一个非常贴心的店员

Hello guys, welcome back to part 78 of Word of Sisters. Let's go!

We think there is a correlation in sperm activity, thanks to unique gene mutation in your DNA.

Simplicity makes your sperm go "brrrr".

What's that?

I think your sperms are ADHD, hyperactive, and you're able to produce stem faster.