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!
A famous grimoire that's said to house 
the knowledge of another world.
Es ist als legendäres
Zauberbuch bekannt,
Es un grimorio famoso que 
contiene el saber de otro mundo.
Es un grimorio famoso que contiene 
el conocimiento de otro mundo.
C’est le grimoire légendaire,
È il leggendario Grimorio che si dice contenga
informazioni su un altro mondo...
Um grimório famoso por guardar 
o conhecimento sobre o outro mundo.