If it is used as a side princess by a fiancee, it will be a prize for a magician (1st volume 1)

Publisher: Ichijinsha
Author: Tatako Harumi, Festival, Ryo Mikashiba
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Female manga, manga
Latest release date: 2023-12-28

Synopsis:
Amelia, who has been working hard on the education of the Princess Prince, suddenly
It is suggested that the fiancee's prince will become a side princess.
To be imposed by Princess Princess Princess and Avoid the use of the use
I try to get the hero, Magician Roire, wants it as a reward.

Aiming for a loving contract marriage begins to go to Loire!?!?