Tsubasa RESERVoir CHRoNiCLE

The group lands in a world that they have yet to see a ray of light. It seems in this world everyone has the power to use magic. This world chooses their king by a dream that everyone has and sees the same person, only the next king does not want to take up her duties and ever since darkness has been a foot. But when Fay refuses to use his magic to convice the king otherwise, they all get thrown in jail. Kurogane helps break them out, but strange soldiers come to stop them. Fay and Sakura escape while Kurogane and Syaoran stay behind to fight. Fay and Sakura come across the king. Who is this King and will Fay be able to convince the king to do his/her duties?