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.
Is he locked in his room again?
¿Volvería a encerrarse en su habitación?
Si è di nuovo chiuso nel suo ufficio?
Ele está trancafiado na sala dele de novo?