The series "Tokyo Revengers" portrays the consequences of Takemichi's time-traveling actions by showing how his attempts to change the past have ripple effects on the present timeline. Each time Takemichi alters a significant event in the past, it leads to unforeseen changes in the future, often resulting in unintended consequences or new challenges that he must navigate. This highlights the complexity of time travel and the idea that altering the past can have far-reaching repercussions.