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.
I mean, the book she was reading 
was a poetry collection.
أعني أن الكتاب الذي كانت تقرأه كان مجموعة شعرية
Das Buch in ihrer Hand
war sogar eine Gedichtsammlung.
Hasta estaba leyendo un poemario.
Hasta estaba leyendo un poemario.
Elle lisait un recueil de poèmes.
Stava leggendo una raccolta di poesie.
E o livro que ela lia,
uma coletânea de poemas...
Оказалось, она читает сборник стихов.