Through Takemichi's journey in the anime "Tokyo Revengers," his understanding of friendship evolves significantly. Initially, Takemichi is portrayed as a somewhat naive and passive character who is disconnected from his friends. However, as he travels back in time and reunites with his middle school friends, he begins to realize the true value of friendship.
Takemichi learns that friends are not just people you hang out with or have fun with, but they are individuals who are there to support and protect each other through thick and thin. His journey teaches him the importance of loyalty, trust, and sacrifice in true friendships. Takemichi's experiences help him mature and develop strong bonds with his friends, leading him to become more courageous and determined to protect them.