What is "musya"

Musya: Imoto's Saga or Musya: The Classic Japanese Tale of Horror, known in Japan as Gōsō Jinrai Densetsu Musya (豪槍神雷伝説「武者」 Gōsō Jinrai Densetsu Musha, roughly "Brave Spearman Jinrai's Legend - Warrior"), is a 1992 action platformer video game developed by Jorudan and published by Datam Polystar for the Super Nintendo Entertainment System. The game was translated into English by Seta U.S.A.. Musya was released in Japan on April 21, 1992 and in North America in December 1992. The name Musya is romanized by the English translators in the Kunrei-shiki style (Musya) instead of the Hepburn romanization style (Musha).