Shujinkou Smash is the main protagonist in the fictionalized setting of 'Dairantou Smash Bros.' (known internationally as Super Smash Bros.). Created as an original character for storytelling or fan works, Shujinkou represents the player's avatar, embodying the spirit of competition and camaraderie among the various fighters. Serving as a unifying figure, Shujinkou Smash interacts with iconic characters from different universes, navigating the challenges and battles that define the Smash Bros. world, and often drives the plot forward in crossover narratives.