While working at the beach hut in Choshi, the group is confronted by a massive demon army led by , a representative of a violent faction from Ente Isla. They have arrived through a portal, seeking to conquer and exploit the human world. The Hero and the Demon King
In of The Devil is a Part-Timer! (titled "The Devil Learns That Choshi (And The World) Are Bigger Than He Knew"), the "beach arc" reaches its climax as the cast faces an unexpected demon invasion. A Hidden Threat on the Coast Hataraku Maou-sama! 2nd Season Episode 7
: To protect the peace, Maou intimidates the army into retreating. He tricks them into believing Emi is his prisoner—rather than his ally—to maintain his fearsome reputation in the demon realm while ensuring they return home without further bloodshed. Aftermath and Revelations While working at the beach hut in Choshi,