It's been years since the coup d'etat on Zoble, and the demons have managed to remain hidden for that entire time, as the Idaten fruitlessly search for them. But when Miku springs her plan to rendezvous with the Demon Lord, all that is about to change.
How about a four-way instead, 
then? Does that work?
ماذا عن مُمارسة رباعيّة إذاً؟ هل يفي هذا بالغرض؟
Wie wär’s mit einem Vierer?
Wärste damit einverstanden?
¿Y si hacemos un cuarteto?
¿Y si hacemos un cuarteto?
À la place,
je te propose un plan à quatre !
Che ne dici di una cosa a quattro? Ti va bene?
Que tal se for entre nós quatro, hein?
Тогда давай развлечёмся
вчетвером, все вместе!