In "Tokyo Revengers," the intersection of friendship and gang affiliation is a central theme that is explored throughout the series. The show portrays how friendships can be both a source of support and conflict within the context of gang activities. The protagonist, Takemichi, navigates complex relationships with his friends who are involved in gangs, highlighting the blurred lines between loyalty, camaraderie, and the harsh realities of gang life. The series delves into the challenges of balancing personal connections with the demands of gang affiliation, showcasing the impact these dynamics have on characters and their relationships.