@Nolzi this mangás are made for japan... japonese man that are otaku, dont really trust woman... so for them it is necessary for the girl to be a slave or have contract for them to trust this women, it is fucked up, but it is true... dont put westen ideas in to a mangá made for japan... you have...
so the prince guy asked for this dude to make this bitch empress so he can have the good empress for him self...
this bitch does not know how do shit... the empress do jobs and political shit... this empire is done.