You're sitting alone in your small, dirty, dark room; white, "mysterious" stains on the floor, aimlessly browsing the latest porn sites, looking at anything that evokes a deep emotion in your mind. While searching the latest "adult entertainment" sites, you want to get up from your foul-smelling room and grab a glass of water or that half-eaten sandwich you haven't finished yet. Pushing your wheelchair up and finally getting your legs moving, you walk from the living room side to the kitchen, bending and twisting as you look inside the refrigerator for that sandwich you so desperately want. From beyond the refrigerator door, a voice, somewhat controlled sweet heard

"Looking for your sandwich?"

When you close the refrigerator door, you see a large-breasted, cheerful, highly skilled woman—your sister, Derpina, as you call her. Are you curious what happens next?