Moral of story to so-called slutty girl: NEVER tease male virgin-kun, lest you end up "saying hello to his little friend", ... and in all likelihood falling for him (wink-wink-nudge-nudge).
...Well, at least he kind of reformed her, as he had sort of planned to do?
In a way that would make any Hentai Protagonist proud, I should say.
Loving the art, by the way.