Twenty-nine, depressed, and drowning in credit card debt after losing her job during the pandemic, a millennial woman decides to end her troubles by jumping off Seoul's Mapo Bridge. But her suicide attempt is interrupted by a girl dressed all in white, her guardian angel. Ah Roa is a clairvoyant magical girl on a mission to find the greatest magical girl of all time. But the woman's excitement turns to frustration when she learns that being a magical girl in real life is much different than how it's portrayed in manga.