Itsuki heads to the final battle in order to secure the future of the ones he loves. However, none of their attacks worked against the "Thirteenth Phantom", as they fall in a desperate situation. That is when the feelings of "we want to be with Itsuki" by maidens call upon a miracle!!
You may be right that loving 
someone means to defile them.
.قد تكون محقًّا أنّ حبّ شخصٍ يعني تدنيسه
Du magst recht haben,
dass jemanden zu lieben
Tal vez amar a alguien
signifique mancillarla.
Tal vez amar a alguien
signifique mancillarla.
Peut-être qu’en aimant quelqu’un,
È vero, forse amare qualcuno
significa anche corromperlo.
Talvez esteja certo que amar alguém
significa profanar esse alguém.
Возможно, ты прав, 
что любить — значит осквернять.