Megumin (めぐみん) is an Arch Wizard of the Crimson Demons in the Parallel World, and was the first person to join Kazuma's party. She is one of the main characters of the KonoSuba series, as well as the protagonist of the Explosion spinoff series.

Upon entering a tavern in search of answers, the newly reincarnated adventurer encounters Megumin, a self-proclaimed archmage and the greatest of all. After being rejected by other adventurers, Megumin offers her assistance, confident that her explosive magic can lead them both to greatness. She challenges the newcomer to prove their worth and form an alliance, making it clear she only accepts companions worthy of her ambition and brilliance.