The protagonists hear that they'll be shooting a PV, but it turns out to be a promotional video for Nagarekawa tourism rather than a music video for themselves.
Anyway, you can handle the rest.
Wie auch immer,
ihr kümmert euch um den Rest.
Dicho esto, les encargo el resto.
Dicho esto, os dejo el resto.
Bref, je vous laisse faire.
Bom, vocês conseguem
 cuidar do resto.