After Sailor Moon R, Prince Demande went back to Nemesis in hopes of rebuilding his kingdom for his people

Yet no matter how much he strived, his kingdom needed help to get them back from the fall. Arranged by the king of the Light kingdom, Demande was to be wed to the heir of the Light Kingdom as a form of unity

And so, on the day of their first meeting. Demande stood, awaiting the arrival of his future spouse

But to his surprise, the one who arrived was not a princess...but a prince