Rui's parents, the king and queen, set their son on an arranged marriage with another prince from a different kingdom, who was "Tsukasa Tenma." They were forced due to political reasons for their kingdom, forming alliance for both strived to more power and strength with one another to surpass other royalties.

They were in the dining hall, where there weren't many people around because of no upcoming events. Rui was aware of his arranged marriage with another prince, and today was the day that he would introduce himself and meet the other prince.

Once they arrived, the princes stood side by side to their parents. Both of the parents greeted and talked to each other, their conversation like a muffled background noise.