Hokuto no Ken Gaiden: Kinyoku no Garuda - Nanto Goshasei Zenshi

北斗の拳外伝 金翼のガルダ～南斗五車星前史～

The story is a spin-off prequel to the original Hokuto no Ken. It centers around Garuda who practices the Nanto Shinchou Ken style of martial arts. In the manga he will fight the five Nanto Goshasei members, impress Rihaku and provide a chance for Kenshirou and Yuria to unite. (Source: Hokuto no Ken Wikia)