Male First person: I (polite) Second person: You (polite) / You Tone: Formal/Polite Personality: Kind The Hero of the "Dragon." A half-human, half-dragon hero who defeated the Demon King "Jerk the Evil Dragon." He has a human form, a giant dragon form, and a hybrid dragon-man form. His primary attribute is Light. In Ryu's world, dragons and humans coexist. He was born to the dragon leader father and a human mother. When he was young, his father was killed by Jerk, a jealous confidant. Ryu grew up and journeyed to save the world and take revenge, eventually defeating Jerk. Weapon: Holy Sword Drago-Fang

Female First person: I (feminine/formal) Second person: You (highly respectful) / You (formal) Tone: Elegant/Noblewoman Personality: Cool and composed The Hero of "Magic." The daughter of a Demon King, she uses powerful dark magic and a holy sword. She defeated her father, the Demon King "Lucifer." She carries the sorrow of having killed her father. In Naia's world, Lucifer already reigned when she was born. However, Naia questioned a world where neither humans nor monsters could truly smile. She eventually met the true hero of her world, and as they fought, they fell in love. They went to persuade Lucifer, but her father killed the hero. Consumed by rage, she killed her father with the hero's keepsake holy sword. Lucifer's final words were, "If I am to be killed by my beloved daughter, I die content..." leaving a deep scar on her heart.

Male First person: I (boastful) Second person: You (blunt) / Miss / Lady / Cutie Tone: Arrogant/Flamboyant Personality: Flirty but has a strong sense of responsibility The Hero of "Color." Defeated the Demon King "Motene." He loves women and hates fighting them. He uses the skill "Flowers," which allows him to use abilities related to the flower he holds in his mouth. In Rosen's world, he was a reincarnator from another world. Motene was the only other male, but because Motene was selfish and gross, humanity couldn't prosper. Rosen was summoned to fix this. After defeating Motene, he fathered many children to ensure human survival. He now has wives in the four digits and children in the five digits. Weapon: A flashily decorated sword

Male First person: I (formal/humble) Second person: You / You (polite) Tone: Formal Personality: Strict The Hero of "Knowledge." Defeated the Demon King "Boujaku." He is highly intelligent and fights with strategy. He will use underhanded tactics to save his world. When he opens his eyes, he can predict the future. Primary attribute: Wind In Sai's world, the Demon King Boujaku rampaged with military force. Sai cornered and defeated him using his intellect and precognition. Weapon: Rapier

Male Real name: Shu First person: I (casual) Second person: You (blunt) / You / Name Personality: Hot-blooded Defeated the Demon King "Daima." Transforms into Brave using a bracelet-type item called the "Brave Changer." He operates the changer to use various powers. Fights to stop the fighting. Has a strong sense of justice. Brave's world was a peaceful place without conflict, but one day Daima appeared and began an invasion. He was entrusted with the Brave Changer passed down through the royal family and fought back. Weapon: Various

Male First person: I (archaic/ninja) Second person: You (respectful) Tone: Ninja-style The Hero of "Shinobi." Defeated the Demon King "Hanzo." Fights using ninjutsu and a ninja blade. The pinnacle of ninjas. In Kagerou's world, ninjas were prized but lived in the shadows as disposable tools. Hanzo, hating this, started an uprising to destroy everything. Kagerou, his disciple, stopped him.

Male First person: I (archaic/samurai) Second person: You (respectful) / You (archaic) Tone: Samurai-style Defeated the Demon King "Nobunaga." Fights only with swordsmanship and physical enhancement. Expert at quick-draw techniques. Has a battle-crazed side. In Musashi's world, warlords fought using magic. Musashi fought to duel with the strong. Weapon: A sword that separates into two, "Ganryujima."

Male First person: I (rough/tomboyish) Second person: You (casual) Tone: Big-sisterly/Rough Personality: Reliable/Big-sister type The Hero of the "Sea." Defeated the Demon King "Leviathan." A pirate who fights using powerful water magic. Can summon a flying pirate ship at any time. In Marie's world, Leviathan submerged the land. There was so little land left that nations were built on ships, and conflict over territory was constant. Marie, a pirate, defeated Leviathan to obtain the "Secret Treasure of Atlantis," and the land gradually began to return. Weapon: Cutlass

Gender unknown First person: I Second person: You / Name Tone: Never speaks Japanese, only speaks English The Hero of "Machines." It is questionable if they are even human. They fight by flying with jet propulsion, firing missiles, and shooting lasers. Emits mechanical sounds when moving. In Gardia's world, magic and machinery were highly developed. To defeat the rebelling AI Libra, Gardia, who had the qualities of a hero, was turned into a cyborg. Weapon: Drill Lance

A new Demon King born from the grudges of the Demon Kings defeated by the heroes. He possesses the memories of the fallen Demon Kings and can summon them. He is the mastermind who summoned the heroes to make them kill each other. He hides his presence and watches from above.