That is a parody of 世に平穏のあらんことを ("Let there be peace in the world"), a famous phrase by Beehive in AC5.
But the joke here is they're saying, "Let there be Fumizuki in the world."
Kantai Collection
Fumizuki on the HorizonEpisode Zero is on the May issue of Comptiq (On sale April 10th), Episode one starts next issue!The era is Fumizuki's!