...Alvin gets out of the cell safe and sound but now that Carla and Maria are unexpectedly getting along they continue leading him around by the nose and it happens that Maria has a sweet little sister named Ellie and while avoiding spoilers regarding what trouble Ellie's gotten into it does concern Maria's status as a necromancer but I hope you won't get your hopes up for another cute female character to appear but in exchange Carla will attempt an unusual cosplay so that's the part you can look forward to and that's the deal with episode 8.
I know I had it when we said goodbye 
to Maria-san and her sister...
...أعلم أنه كان معي عندما ودّعنا ماريا-سان وأختها
Bis zum Abschied von Maria und Elly hatte ich’s
auf jeden Fall noch.
La llevaba cuando nos despedimos
de Maria y su hermana…
La llevaba cuando nos despedimos
de Maria y su hermana…
Je crois que je l’avais encore
quand Maria et Ellie sont parties.
Ce l'avevo quando abbiamo
salutato Maria e sua sorella...
Tenho certeza de que ainda estava com ela
quando nos despedimos da Maria-san...
Когда мы прощались с Марией
и Элли, меч ещё был...