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.
We truly owe you for what you've done.
نحن حقّاً مَدينون لك لما فعلته
Wir sind dir wirklich sehr dankbar.
Nos ayudaste muchísimo
en esta ocasión.
Estamos verdaderamente en deuda contigo.
Merci infiniment
pour tout ce que tu as fait.
Ti ringrazio ancora una volta per ciò che hai fatto.
Somos mesmo muito gratos
a você pelo que fez.
Мы у тебя в огромном долгу.