The Gessen girls infiltrate their middle school to get more info on Gekkou and Senkou.  This means cosplay, and outfits that are way too small.
This'll do it.
Das sollte so passen.
Hagamos eso.
Hagamos eso.
– Ça fera l’affaire.
– Merci pour ton aide.
Così andrà bene.
Ficará tudo bem assim!
Вот так всё получится.