Of course, it's all for the sake of 'investigating', definitely.
"I want to know(investigate) if if cumming inside you will get you pregnant"? Alas, a single test was clearly not enough. May I suggest repeating the same test under different circumstances each time for accurate results?
That ending though. Wasabi...Well, I'm sure it was worth it for what you got?
When you want a sequel, but now you're not so sure? ((゚□゚;))