Shujinkou Kurusu is the protagonist and player character in various Shin Megami Tensei games. Often referred to simply as 'the protagonist' or 'the hero,' he is typically a silent character whose actions and decisions shape the game's narrative and world. While his personality and choices are determined by the player, he is generally portrayed as a high school student who becomes involved in conflicts between demons, gods, and humanity. His role is central to the story, serving as the lens through which the player experiences the game.