As spring comes to Akihabara, Shiroe decides to send  Minori, Touya, Isuzu, Rundelhaus, and Serara on a quest to get the magic bag, a convenient and critical item for high-level adventurers.  The 5 excitedly put together their things and get ready to go on a journey.
It's convenient, since it holds everything.
Ist echt praktisch,
alles hineinpacken zu können.
Es útil, porque lo guarda todo.
c’est quand même bien pratique.
È utile, visto che può contenere tutto.
E é conveniente porque isso
 já resolveria outras coisas.