The protagonist Sarah has to bring her boyfriend, Carl, to the magic circle of purification in order to disenchant his curse. With the help of a villager, Valery, they head to the magic circle of purification. However, the activation of the magic circle requires her to use her skill of converting men’s sexual desire into magic. Upon arriving, Valery asks her what she can hardly accept. But to save Carl, she has no option but to obey Valery…