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.
If you were to wed the princesses 
of both Belfast and Regulus,
،إذا أردت الزواج من أميرتَي بيلفاست وريغولوس
Als Zeichen der Verbundenheit
von Belfast und Regulus
Si te casaras con las princesas
tanto de Belfast como de Regulus,
Si te casaras con las princesas
tanto de Belfast como de Regulus,
En épousant les princesses
de Belfast et Leguls,
Non esisterebbe un simbolo più forte 
dell'alleanza tra i due regni
Se fosse se casar com as
princesas de Belfast e Regulus,