Other names:
Black and Blue Hungry Wolf - Fist of the North Star Rei Gaiden; Fist of The North Star Rei Gaiden; Soukoku no Garou - Hokuto no Ken Rei Gaiden; 蒼黒の餓狼―北斗の拳 レイ外伝―
Side story of Hokuto no Ken, telling the story of Rei of Nanto Suich?ken who sets on a journey to find the Man with a Seven Scars on His Chest who kidnapped his sister.
