Nijisseiki shônen dokuhon

Two brothers, Jinta and Wataru, are raised in a travelling circus. After an accident, Jinta decides to leave the circus and travels the countryside working as a con-man. After a run-in with a local gang of yakuza, he is invited to join their ranks, where he makes the mistake of falling for a boss's mistress. Wataru stays with the circus and works hard to regain its former glory