Having worked much too hard, Mile and the others decide the Crimson Vow should cease activities for a little while. In plain terms this means... That's right, every working person's inalienable right —— a vacation! While each of the friends enjoys their time off in their own way, Mile, with her sad history as a master of spending time by herself in her previous life, goes off to savor her time off on her own, but...
Also, on an unrelated note, this episode contains swimsuits.
This is the first time I've 
ever swum in the ocean!
هذه أول مرة سأسبح فيها في المحيط
Ich bin noch nie im Meer geschwommen.
Será la primera vez que nade en el mar.
Será la primera vez que nade en el mar.
Je n’ai jamais nagé en mer.
È la prima volta che nuoto in mare!
É a primeira vez que vou nadar no mar.
Никогда раньше не плавала в море!