In Tokyo Revengers, the theme of redemption is primarily explored through the main character, Takemichi Hanagaki. Throughout the series, Takemichi is given the chance to go back in time to his middle school days and make different choices to change the future. By doing so, he seeks redemption for his past mistakes and regrets. Additionally, other characters in the series also have opportunities to redeem themselves by making different choices and taking responsibility for their actions. Overall, Tokyo Revengers delves into the concept of redemption by emphasizing the power of personal growth, second chances, and the ability to make amends for past wrongs.