Tokyo Revengers depicts the impact of past actions and decisions on the present through the concept of time travel. The main character, Takemichi, has the ability to travel back in time to his middle school years and alter events that ultimately change the course of the future. This narrative device highlights how seemingly small decisions and actions in the past can have significant consequences on the present timeline. Additionally, the series explores themes of regret, redemption, and the cyclical nature of violence and conflict, demonstrating how characters' past choices continue to shape their present circumstances.