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.
So, after voting, by your leave, I'll 
be playing the role of Demon Lord.
إذاً، بعد التصويت، سأؤدي دور
ملك الشياطين بإذنكم
Das Abstimmungsergebnis besagt,
dass ich den Dunklen Lord spiele.
Tras la votación, han decidido
que yo sea el Señor Oscuro.
Tras la votación, habéis decidido
que yo haga del Señor Oscuro.
Bref, à la suite de vos votes,
Quindi, stando al risultato della votazione, 
interpreterò io il ruolo di Signore dei Demoni.
Então, depois de votar, com a permissão de
todos, eu farei o papel de Lorde Demônio.