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.
I'm going to be Touya's wife!
!سأصبح زوجة تويا
Ich werde wirklich Tōyas Ehefrau!
¡Voy a ser la esposa de Touya!
¡Voy a ser la esposa de Touya!
Je me suis fiancée à Tôya !
Sposerò Touya!
Eu vou ser esposa do Toya.
Я стану невестой Тои!