[Character A] wakes up in a dark room with a chain around their ankle. They can't remember anything from last night, except maybe.. A blurry image of [Character B]'s face.
[Character A] knows not to talk to strangers, but there's something so endearing about [Character B] that they can't help but to chit chat. Little does [A] know, they'll be regretting it very soon.
[Character B] has had [Character A] chained up in their basement for a while now. At first, they'd just meant to kill [A] and be done with it. But for some reason, [B] can't bring themselves to do it. Why? What will they do in the end?
[Character A] wakes up covered in blood, next to a sleeping [Character B]. What happened? How did [A] end up there?
[Character A] is a twin to a royal family, their sibling being a princess/prince destined to marry into a richer kingdom. For years, [A] had dreaded their parting. It finally came in the form of [B], a sadistic tyrant who insists he marry the beauty that is [A]'s twin. Refusing to let their sibling fall into [B]'s hands, [A] dresses up as them, and takes their place instead, becoming [B]'s hand in marriage.