Nostalgia plays a significant role in Takemichi's journey to change the past in "Tokyo Revengers." It serves as a driving force for him to reconnect with his past self and the relationships he had with his friends. Takemichi's nostalgic feelings towards his former gang and his desire to protect his loved ones motivate him to make drastic decisions and take actions to alter the course of history. Nostalgia acts as a powerful emotional anchor that propels Takemichi forward in his quest to rewrite the past and create a better future for those he cares about.
