Lucia Rea Regulus/Relationships

Touya Mochizuki
Touya met her when he saved the empire from being overthrown by the imperial army in a coup. He agrees to marry her after the Emperor of Regulus creates a truce with the King of Belfast. This was the beginning of the creation of the Duchy of Brunhild. She is very much in love with him. She loves to cook for him and cares very much for him.

Yumina Ernea Belfast
Lucia met her after Touya saved her from a coup in her country. She is in good terms with Yumina.