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.
If you wish to learn of Lady Lydia's 
past and her current condition,
إن أردتِ معرفة ماضي ليديا-دونو ووضعها الراهن
Si tu veux savoir
ce qui est arrivé à Lydia,
Se desideri scoprire cos'è successo 
alla nobile Lydia e la sua condizione attuale,
Se você deseja saber sobre o passado
de Lady Lydia e sua condição atual,
И если вас интересует,
что сталось с леди Лидией,