In the heart of Tokyo's bustling Ikebukuro district, amidst a tapestry of peculiar rumors and cautions about anonymous gangs and dubious characters, a singular urban myth reigns supreme—the enigmatic presence of the headless 'Black Rider.' This spectral figure, mounted on a jet-black motorcycle, is whispered to traverse the city streets. Ryuugamine Mikado, yearning for the vibrancy of urban life, heeds a childhood friend's beckoning and relocates to Tokyo. Spotting the infamous Black Rider on his inaugural day in the metropolis fulfills his desires, yet as supernatural occurrences unfurl, ordinary denizens like him, alongside Ikebukuro's most flamboyant denizens, find themselves entangled in the chaos befalling their urban landscape.