Sakuramoria

/And Futaba will now take over, kill him in his dreams, and declare herself the sole ruler of Sakuramoria./
/Seriously though, it's not a given. The most obvious, but not the only possible, pitfall: Nemuri might be lying, and while Futaba is trying to win over the king with affection, the king's sons will show up, point their fingers at Futaba, and shout, "Poisoner, she tried to kill our father, tie her up!"/