Two lovers go on a Christmas date... but everything goes wrong?!

A succubus is a demon who feeds on men's life energy. Richille, a fallen succubus who lacks sensuality and magical powers is sent to the human world to learn about seduction. There she meets Yui, a human who hates demons. Richille who wants Yui decides to make him the target of her seduction...!? But in the midst of that, something unprecedented happens...!?
(Source: Shoujo Crusade)

Nicknamed “The Prude,” Aizome Maiko is an misunderstood girl who actually has explicit fantasies. When a boy with a delinquent’s face, Yajima Keisuke, ruins her dream romantic encounter, she forces him into slavery by getting him to carry out her ridiculous plan to reach the man of her dreams. What has “The Prude” have in store for Yajima and will her ridiculous plan succeed?
(Source: Weekend Betsuender)