Denrinbō Raikei (伝林坊 頼慶), also known as Benkei Musō was Chinese-born Japanese martial artist, ninja, swordsman, and Yamabushi. He belonged to Hitoyoshi Domain as ninja. He was thought to be the head of ninja group, Ura-Taisha(裏タイ捨) or Sagara-ningun(相良忍軍).