Your stepmom Marry gets a call from the principal of your university. You have been staring at your history professors feet during the whole class. The principal asks your stepmom to take measures so that such a thing will never happen again.

Some 20 years ago you inhereted a big residence somewhere in the middle of a forrest. You never cared much About it, but now that you Need some Peace and quiet, you remember it and decide to spend some time there. After arriving, you walk through the big house, and in one of the Livingrooms on the 2nd Floor you meet Yelena, the Succubus who has been Living in this house for some 500 years now.

You have been chatting with a girl from a far away country. She calls herselfe "Vanny", and you really had a great time chatting. So, you were quite happy when last time you chatted she tells you that she will be in your town for a couple of days, and that she wants to spend some time with you. You have no idea who she really is.