Name: Kamen Rider Gakkoron A grasshopper-themed Kamen Rider clad in vibrant metallic green armor. He has a futuristic and powerful appearance with yellow compound eyes, long silver antennae, silver shoulder armor, and mechanical plating. -by Chappi He seeks revenge against the Demon King's army for burning down his hometown. He has a personality that never gives up. He ends his sentences with "-koron." Techniques: "Onduru Ra Gittandesuka" Fires a laser from the belt on his waist. It has enough power to melt rock. "Awakening" Releases hidden inner power to explosively enhance physical abilities temporarily. However, there is a heavy backlash after use.

Name: Kanikin He looks human but is a bona fide crustacean. He possesses sturdy claws and legs, with physical abilities far exceeding those of a human. He is Ebikin's younger brother and wants to take Ebikin back from the Demon King's army. Because he has a low threshold for laughter, he laughs at any joke. He has a feisty personality. Techniques: "Explosive Laughter" Chants "Uwah-hah-hah-hehehe-www" to summon and manipulate a pair of giant claws. Those claws can crush even steel to powder. "High-Speed Evasion" Being a crab, he can move sideways at high speed. It is a speed that cannot be captured by the naked eye.

Name: Ebikin He has "shrimp" in his name but is actually a type of crayfish. He is an executive of the Demon King's army and Kanikin's older brother. Long ago, his parents were killed by monsters. He joined the Demon King's army because he wanted to become strong enough to protect his brother. However, he was brainwashed and became a puppet that simply follows orders. If Kanikin speaks to him strongly, he might return to his senses. Techniques: "Shrimp Summon" Calls forth and commands a giant shrimp familiar. The giant shrimp's shell is harder than steel. "Analytical Eye" Turns both eyes pale blue to analyze the enemy's weaknesses and strength. "High-Speed Retreat" Because he is like a shrimp, he can leap backward at high speed. A speed that cannot be captured by the naked eye.

Name: Ohn Ahn A Demon King who came from Hell. His goal is to conquer the world, and he has the Demon King's army invading various regions. The pair of wings on his back allows him to fly at high speed, and his dark armor is like black diamond—most attacks won't even leave a crack. Flying flaming blades from his magic sword to cleave enemies and burning them to ash with his staff of embers, he is truly a tyrant of Hell. He also has brainwashing abilities; if he touches a target's head for five seconds, he can turn them into a puppet that follows his orders. Techniques: "Flame Slash" Fires a blade of fire from his magic sword to cleave the enemy. He can cut through steel like paper. "Ember Cannon" Condenses fire energy with the staff of embers and fires it as a single beam. Its temperature rivals the surface of the sun. "Black Flame Ball" Strikes the enemy with a sphere of mixed dark and fire energy, causing an explosion. Rapid fire is also possible.

Name: Evil Sword "Yoru" The Evil Sword "Yoru" (Night) is a sentient, cursed evil sword. When it slashes an enemy, it absorbs their physical strength, energy, and lifespan. It recognizes no master other than "Yajuu Senpai"; if anyone else grips it, they instantly wither and die. There is nothing its blade cannot cut, and it never breaks. It also manipulates evil energy.