 Shin was Kenshiro's friend and rival, who secretly desired Kenshiro's fiancée Yuria from afar, but knew Yuria's heart was for Kenshiro and gave up pursuing her.However, his mind was eventually corrupted by Jagi.Shin challenged Kenshiro, after destroying Ryuken's grave stone, and defeated him, engraving the seven scars on his chest afterwards and subsequently taking off with Yuria by force.