Ryouhei Hayashi, also known by his nickname Pah-chin, is a supporting character in Tokyo Revengers and a founding member of the Tokyo Manji Gang. He is a hot-blooded and loyal delinquent who often acts impulsively but deeply cares about his friends and comrades. His role in the series is tied to the early conflicts within Toman, where his emotions and sense of justice drive important events. Though not a central protagonist, he represents the gang’s strong bonds and the consequences of youthful violence.