Body Swap of a Nerdy Girl and A Princess Reborn in Another World: Kiss Me Until I'm Wet Inside…

"Oh gosh, you're soaking wet. That's a beautiful sound, isn't it, princess?" as the handsome prince's long fingers explored her most sensitive places. It's her first time… and the feelings are overwhelming…! She was an unwanted woman who resorted to masturbation to pleasure herself. Until one day...

Source: MyAnimeList