The Greatest Demon Lord Is Reborn as a Typical Nobody

Season 1, Episode 8: The Mask Laughs

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The play serving as a main event for the festival is starting up. Ard is playing the role of the Demon Lord while Sylphy performs as the Evil God, making Ard suddenly recall his battle against said god. At the time, Sylphy was struggling with a sense of inferiority and the feeling that Lydia didn't need her. Yet when Varvatos reveals Lydia's true feelings and gives Sylphy permission to fight freely, Sylphy pulls off something incredulous...