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!
Speaking of that, does researching 
a Thema help in some way?
Hilft so ein Thema irgendwie?
¿De qué sirve investigar un tema?
¿De qué sirve investigar un tema?
À propos,
A proposito, scegliere un Tema
 aiuta in qualche modo?
Ter algum Thema para pesquisar 
ajuda em alguma coisa?