Maou-sama, Retry!

Akira Oono is an ordinary working adult who manages the MMORPG Infinity Game. Fifteen years after creating the game, Oono decides to shut the servers down once and for all. However, as the clock strikes midnight, he somehow finds himself in the body of middle-aged Hakuto Kunai, Infinity Game's Demon Lord! Soon after his mysterious transportation, he witnesses the demon Greole chasing after a little girl named Aku. Although he effortlessly dispatches the creature, Hakuto is still concerned; after all, he does not remember creating the girl or the demon! Doubting whether he truly is in the world of his creation, Hakuto decides to investigate. Bringing Aku along as his guide and companion, Hakuto sets out on a journey to find out exactly who or what summoned him to this fantasy world—all while leaving chaos and destruction in his wake. [Written by MAL Rewrite]

Type: TV
Rating: PG-13 - Teens 13 or older
Season: summer 2019
Status: Finished Airing
Read more: MyAnimeList (MAL)
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Tags: action comedy fantasy magic parody primarily female cast adventure demons male protagonist female harem person in a strange world based on a light novel chuunibyou anti-hero crossdressing demon king harem isekai kemonomimi novel overpowered main characters shapeshifting summoned into another world trapped in a video game tsundere virtual world