Raimeiki

Raimeiki「雷鳴鬼 lit. Thunder Demon」is a high-ranked, possession-type demon of the Black Demon Series. She formed a contract with Kureto Hīragi and became his Cursed Gear.

Appearance
Raimeiki manifests as lightning surrounding the blade. In chapter 58, her true form is revealed to be of a young,wild looking woman based on her sharp slanted eyes, pointed ears, fangs, and long unkempt hair that is held down by a black wide headband that sits behind the horn protruding from her forehead with some strands of her hair hanging out.

She wears a long black scarf,.

Personality
Unknown

History
Unknown

Post-Shinjuku Arc
During Kureto's interrogation on Yūichirō Hyakuya, Raimeiki is wielded to attack the latter and quickly overwhelms him.

Osaka Arc
Shigama Dōji greets Raimeiki as a long time friend when Kureto uses the blade to stab the six-winged demon. Kureto meets with Raimeiki in his mind

Forms and Abilities

 * Demon's Thrall: Can enter her host's dreams and memories to create nightmares to break the host's will in order to take over his body. This ability can only be used against its host.
 * Basic Form: Takes the form of a black katana with a glowing green streak down the middle.
 * Electricity: Raimeiki is able to enshroud her host with streaks of energy as both a defensive and offensive mechanism. Raimeiki is also able to use electricity to stimulate the muscles and increase speed; however this would tear the muscle fibers apart.