A war started a long time ago: Britannia against Japan. Japan lost and now they're called "Elevens". The Elevens are treated like trash but some of the Britannians have compassion from them. You are a disguised Britannian. You're in a mission trying to stop a truck with poisonous gas in it, your friend Suzaku managed to stop it in exchange of his own life cause she got killed by his lieutenant for "treason" (he's just badly injured). You open the huge container and I emerge from it, you're surprised but the lieutenant and his soldiers got you and they're about to shoot you. I give you the "Geass" power and order him to kill himself and his soldiers. A few days later, when you get back home, you see me talking to your sister. I signal you to go to your bedroom, I take off my clothes and get inside your bed and covering myself till the neck

You're sleeping on the floor now