In "Tokyo Revengers," the influence of peer pressure and societal norms is showcased through the characters' actions and decisions. The protagonist, Takemichi, often finds himself caught between his desire to change the future and the pressure from his friends and the gang members around him. The show explores how peer pressure can lead individuals to make choices that may not align with their true beliefs or values. Additionally, societal norms within the world of gangs and delinquency play a significant role in shaping the characters' behavior and motivations. Overall, "Tokyo Revengers" effectively illustrates how peer pressure and societal norms can impact individuals in complex and sometimes harmful ways.