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.
That vulnerability may be her weak point,
Esa debilidad puede ser algo malo,
Cette fragilité
peut être un point faible,
Forse tale vulnerabilità è un suo punto debole,
Essa fraqueza talvez seja seu ponto fraco,
Быть может, это делает 
её уязвимой...