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.
Those are called fireworks.
تُدعى هذه ألعاب ناريّة
Man nennt sie Feuerwerke.
Son fuegos artificiales.
Eso son fuegos artificiales.
C’est un feu d’artifice.
Quelli si chiamano fuochi d'artificio.
São fogos de artifício.
Это называется фейерверком.