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 used to be able to think of 
things to do on my own right away.
كنت قادرة على إيجاد أمور أفعلها
من تلقاء نفسي فوراً
Früher fiel mir immer sofort etwas ein,
um die Zeit totzuschlagen.
Antes se me ocurrían cosas enseguida.
Antes se me ocurrían cosas enseguida.
Avant, je savais toujours
comment m’occuper seule.
Una volta mi veniva subito in mente
come passare il tempo da sola.
Eu sempre pensava em algo antes,
quando queria passar o tempo...
Раньше я сразу придумывала, 
как убить свободное время.