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.
You're wide open, just like old times!
!أنتِ مكشوفةٌ كالأيام الخوالي
Du bist offen, genau wie früher!
¡Tiene los mismos puntos débiles!
¡Tiene los mismos puntos débiles!
Ta garde est toujours ouverte !
Hai la guardia abbassata, 
proprio come ai vecchi tempi!
Sua guarda está aberta, como antes!
Всё такая же беззащитная!