Tokyo Revengers portrays the impact of trauma on individual characters by delving into their past experiences and showing how those experiences continue to affect their present-day actions, behaviors, and relationships. The series explores how traumatic events can shape a character's personality, motivations, and decisions, as well as how they struggle to cope with their past traumas and find healing and resolution. Through flashbacks, character interactions, and internal monologues, Tokyo Revengers effectively illustrates the profound and lasting effects of trauma on its characters.