The mysterious girl that showed up out of nowhere was actually Filo. She's a filolial queen with an advanced transformation ability, and she can even take human form thanks to it. However, her clothes get ripped every time she transforms, meaning Naofumi has to get her some magic clothes if he doesn't want to go broke. The party leaves on a new adventure to gather the materials required.
I did my very best to bring out every 
last bit of Filo-chan's angelic charm!
بذلتُ قصارى جهدي لأبرز كلّ جزء من أجزاء
!سحر فيلو-تشان الملائكيّ
Damit Filos engelsgleiche Niedlichkeit
voll zum Ausdruck gebracht wird,
¡Hice lo que pude para extraer
todo su encanto angelical!
¡He hecho lo que he podido
para extraer todo su encanto angelical!
Pour bien mettre en valeur
toute sa beauté angélique,
Ho fatto del mio meglio per esprimere appieno
il fascino angelico della piccola Filo!
Eu me esforcei muito para enaltecer
o charme angelical da Filo-chan!
Чтобы передать всю ангельскую прелесть
милашки Фило в полном объёме…