User blog comment:Mnzombie/Monster Girl Birthday Scenario Game/@comment-72.92.234.175-20140127042817/@comment-460372-20140127104043

Basically, she acts like a shy schoolgirl. She's supposed to have sex with you in order to graduate and become a full-flesh succubus, but she's embarrassed about it. She's heard of sex, but has never had. As far as we're concerned, she's a virgin.