Publication Information>
- Oni : Eiki
- Japanese : 映機
- Type : Oni
- Known As : Kamen Rider Eiki
- Related : TAKESHI
- Gender : Male
- HomeWorld : Earth (Main Timeline Continuity)
- Season : Kamen Rider Hibiki
- First Appearance : Kamen Rider Hibiki Episod 28 : Undying Malice
- Last Appearance : Kamen Rider Hibiki Episod 29 : Shining Boy
- Number of Appeareance : 2 (Hibiki)
- Voice Actor : Kazuya Nakai
- Suit Actor : Naoki Nagase
Eiki is 22 years old and has been an Oni for 3 years. He has no supporter nor does he have any students or partners. Eiki is assigned to guard mountains of Japan. He is only seen in episodes 28 and 29 during the Yoroi Tsuchigumo incident.
Kamen Rider Eiki
- Main Article : Kamen Rider Eiki
- Height :
- Weight :
- Punching Power :
- Kicking Power :
- Maximum Jump Height :
- Maximum Running Speed :
- Finisher Power :
- Appearances :
- Kamen Rider Eiki (Sharp Demon) is a Kamen Rider from the Japanese TV series Kamen Rider Hibiki.
- Henshin Onsa (Transformation Tuning Fork) : A tuning fork transformation device.
- Ongeki Da : Hissatsu Hitchū no Kata (Sound Attack Stroke : the Certain Kill Hitting Target Style): Ongeki Finisher.
- Ongekiko : Hakuryoku (Sound Attack Drum : White Green) : A taiko buckle.
- Ongekibō : Rokushō (Sound Attack Club : Green Wins) : A pair of drum sticks Ongeki weapon.
KamenRide : Eiki
- Main Article : KamenRide : Eiki
- Through the Kamen Ride Eiki and Form Ride cards, Kamen Rider Diend can summon any of the previous primary nine Heisei Era Kamen Riders and their forms, with the exception of their power.
