The Demon Lord's companion, Sylphy, reappears in the modern world after several thousand years. A masked man tells Sylphy where she can find the Demon Lord and she... 

Meanwhile, the Magic Academy is preparing for its school festival, and Ard is asked to perform in a play in lieu of their Sword King Battle Tournament while also dealing with a threat to cancel the festival. Ard and the others start discussing the play when they're interrupted by a huge commotion at the school.
Now that you mention it, she's not here.
بذكرك لذلك، إنّها ليست هنا
Ach ja, sie ist nicht da.
Ora che ce lo fai notare, è assente.
Agora que você mencionou,
ela não está aqui.