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.
U-Uh, o-of course I knew that!
!حـ-حسناً... بالطبع كنتُ أعرف
¡Por supuesto que lo sabía!
¡Por supuesto que lo sabía!
Euh…
U-Uh, c-certo che lo sapevo!
B-Bem, mas é claro que eu sabia!
Э-э... Ну конечно же да!