Odc. 1: Naofumi Iwatani przenosi się do klasy 1, gdzie spotyka się ponownie z Raphtalią i Filo w szkole.

Once the door opens, the students meet Naofumi Iwatani, who watches their faces briefly before he closes it and leaves. Roswaal explains that Naofumi will be transferred to Class 1, while the transfer student for Class 2 is actually Chomusuke, and has the others rearrange their seats by a lottery. Naofumi keeps roaming around the school until he meets Wilhelm and explains to him that he was fighting a monster alongside his companions Raphtalia and Filo when he suddenly was transferred to the school and is searching for them since then. Meanwhile, Kazuma and Ainz meet Raphtalia, who is also looking for Naofumi while Subaru and Aura find Filo with the other pets and start riding her. With the other students playing baseball together, Raphtalia eventually reunites with Filo and just when the two are about to be hit by a stray ball from Mare, Naofumi arrives and uses his shield to protect them. With the three reunited, Naofumi, Raphtalia, and Filo decide to stay at the school with the others until they find a way back to their own world. (Source: Wikipedia)

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