Kamen Rider Manly Demon

Kamen Rider Manly Demon is one of the many Oni Kamen Riders in the fanfictional series Kamen Rider: Echo Demon.

Gouki
Like most of the Oni Kamen Riders, it's unknown if Gouki has a human form &/or a human name.

Demon Transformation Tuning Fork
A bronze tuning fork transformation device.

Demon Transformatiobn Tuning Fork - Sword Mode
The Tuning Fork's sword form.

Demon Attack Drum
A taiko buckle.

Demon Attack Club - Scepter Beat
Manly Beast's Sound Attack weapon, a pair of drum sticks.