Lucia finds herself attracted to Touya after he resolved the coup d'etat at the Regulus Empire. Picking up on that, Yumina proposes that they welcome Lucia in as Touya's fifth fiancee.
Touya, you've saved my life, as well 
as that of our prince and princess.
تويا، أنقذت حياتي وكذلك حياة أميرنا وأميرتنا
Tōya, du hast nicht nur mich,
sondern auch die Prinzessin und den Prinzen …
Don Touya, me salvaste la vida a mí,
a nuestro príncipe y a nuestra princesa.
Don Touya, me salvaste la vida a mí,
a nuestro príncipe y a nuestra princesa.
Tôya, tu as non seulement
sauvé ma vie,
Touya, non hai solo salvato la mia vita, 
ma anche quella della principessa e del principe...
Toya não salvou só a minha vida,
a da princesa e a do príncipe...
Тоя, ты спас не только меня,
но и принцессу, и кронпринца.