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.
Man, don't come to show off
 every time you buy a new slave.
عجيب أمرك! تأتي وتتباهى في كلّ مرّة
تشتري فيها أمَةً جديدة
Jetzt gib nicht auch noch an mit weiteren
guten Sklaven, die du dir kaufst.
¿Vienes a presumirme tu esclava?
¿Vienes a presumir de esclava?
Arrête de venir te vanter
de tes esclaves.
Non venire qui a vantarti
ogni volta che compri una schiava!
Não venha aqui se gabar toda vez
que comprar uma escrava nova.
Ну купил раба хорошего,
чего мне хвастаться-то?