Vampire Princess 3: First Date is an interactive story game. The main character, Princess Rebecca, is a vampire who wants to date and fall in love with a human guy, Mike. They meet and have their first date, but it’s not a romantic one. 

On the night of their first date, Princess Rebecca is forced to feed on Mike's blood. In exchange, she promises to keep his secret and not to tell anyone else. She also promises to be his girlfriend forever. However, she doesn't feel like a princess, and she never wants to be a vampire. So she decides to leave her home to be with Mike in his everyday life.