|This article is about a/an stage show rider in Kamen Rider Hibiki.|
Kamen Rider Mujaki (仮面ライダー夢蛇鬼 Kamen Raidā Mujaki, lit. "Masked Rider Dreaming Snake Demon") is a female Oni Kamen Rider appearing in the Kamen Rider Hibiki stageshow as the primary villain. Her original name is Mutsuko Murashima (ムラシマムツコ Murashima Mutsuko).
Kamen Rider Mujaki
Mujaki is 23 years old, and is a human with Makamou blood in her veins, it is unknown how this occurred but the bloodline caused her to become evil and brainwashed Kamen Rider Jaki into being her slave. In an alternate future she leads the Makamou and defeated many Oni Kamen Riders.
Mujaki's weapon is unusual, as it is a microphone, but is just as effective as other traditional Oni weapons.
Her Rider name is a homonym of the Japanese word Mujaki (無邪気 lit."innocence")