In order to become a mage, you need a research theme which archives one of the seven deadly sins. While thinking about what his theme will be, Arata and 3 others are locked in a barrier, with no exit to be found. But then Lilith and the others find themselves needing to use the restroom... Good luck, girls!
I'd say they're mainly after Arata-san.
Sie sind wohl hinter Arata-san her.
Me imagino que Arata-san 
debe ser su objetivo.
Me imagino que Arata-san 
debe de ser su objetivo.
Probabilmente... sono interessati ad Arata-san...
Aposto que está atrás do Arata-san.