Golden Mask Hyung-rae and the Mischievous Taoist Master

The story

Hyung-rae, the three musketeers, and Sol are students of Master Ttaengcho. While gather wild greens in the mountains they witness a sword battle where Yoshimura Genjo displays amazing swordmanship. Upon hearing this Ttaengcho tells the students of his three greatest disciples in the past: Mu-cho of Korea, Peng Jia of China, and Yoshimura Genjo of Japan. All three harbor ambition to conquer the martial world, but are kept in check by the others. However, Mu-cho of Korea has now disappeared along with the power of the Golden Mask.