In the anime and manga series, "Tokyo Revengers," the concept of destiny versus free will is a central theme that is explored through the protagonist, Takemichi Hanagaki. Takemichi finds himself traveling back in time to his middle school years where he has the opportunity to change the course of his life and the lives of those around him.
Throughout the series, Takemichi grapples with the idea of whether events are predetermined by fate or if he has the power to make his own choices and alter the future. As he tries to prevent tragedies and alter the outcomes of certain events, he is faced with the challenges of changing the course of destiny while also acknowledging the limitations of his own actions.
Ultimately, "Tokyo Revengers" delves into the complexities of fate and free will, showing how our choices and actions can influence our future, but also how certain events may be tied to a larger, unavoidable destiny. The series highlights the importance of taking control of one's life and making decisions that can lead to a different path, even in the face of seemingly predetermined outcomes.