It's almost Christmas in Akihabara.  At Lenessia's mansion, Marie and Henriette are all visiting.  Lenessia is smiling, but she can't open herself up to the adventurers because of how different they are.  Akatsuki, who has been tasked with guarding the princess, is the only one who isn't having fun.  She thinks of Shiroe and worries about her own powerlessness.  Then, in Akihabara in December, a shocking event occurs.
What happened to the katana that was here?
aber wo ist das Schwert,
das hier ausgestellt war?
¿Qué pasó con la katana que estaba aquí?
mais où est passé le katana
qui était exposé là ?
Dov'è la katana che stava esposta qui?
O que aconteceu com a katana que tinha aqui?
На витрине была катана...