The story of the game focuses on a brother-sister relationship.
Kate - Andy's sister is a completely normal person, whilst Andy isn't.
After Andy gets thrown out of his current home, he has to stay at his sister's, and now he has to make a choice - to follow his urges, or to try and act normal.

Game takes a form of a visual novel, where you - as Andy, live with your sister and make some important choices during your stay there.
For every decision you make, a hidden point system will lead to different dialogues and ending in the future.
In the current game, to include:
-Incest
-Voyeur
-Blackmailing
-Softcore