Heh, reminds me of that nice little doujin where Maribel had to deal with a time loop
You mean, Vivit Gray's "Boy Meets Girl in the Midnight Hour"? ...Except dirty
Updated
...Should we have sex!?What are you, some kinda vulgar reply-bot?What should I do, Merry!?Without any prior warning, I've been transformed into a guy!!What the hell happened...?Of all the responses you could have come up with, you had to go with the worst one...Oh, as soon as I thought that, I returned to normal......Have sex!?