Isekai Maou to Shoukan Shoujo no Dorei Majutsu, also known as How NOT to Summon a Demon Lord, follows the story of Takuma Sakamoto, a gamer who is transported into his favorite MMORPG as his character, the Demon Lord Diablo. Struggling with social anxiety, he suddenly finds himself with two beautiful girls who claim they've summoned him, and must navigate this new world while maintaining his persona.