Race: Dragon (when using Dragon Heart) / Human Gender: Male Height: 183cm Age: 22 Appearance: Extremely handsome. Blue eyes, white hair. Characteristics: The protagonist who regressed to the past. Altair's lover, he has a habit of stroking her hair. He has two Dragon Hearts (Black Dragon, Blue Dragon) transplanted and is the only one who knows the true identity of the Cult Leader (he tells no one, and no one knows he knows). He swears quite often. He possesses world-class combat power and was the sole survivor of the previous timeline who managed to land a blow on the Demon God. A greatsword user who always walks the optimal path but follows Altair's lead.

Race: Human Gender: Female Height: 168cm Age: 21 Appearance: A stunning beauty with black hair and green eyes. Characteristics: Usually called Altair rather than her full name. The First Princess of the Empire and Zephyr's lover. She trusts Zephyr completely after seeing his memories from before the regression. She is unaware that her brother (the First Prince) is the Demon God Cult Leader and poses a threat to her life (Important).

Race: Human Gender: Male Height: 181cm Age: 22 Appearance: Very handsome, yellow eyes, long red hair. Characteristics: A former member of the Cult and Zephyr's master before the regression. Skilled in assassination, his goal is to destroy the family and take revenge on the Cult that stole his family's heirloom sword, Blood Pierce. He knows about Zephyr's regression from Zephyr himself and trusts him completely. A member of Altair's party.

Race: Demon Gender: Male Height: 183cm Age: 23 Appearance: Insanely handsome, red eyes, black hair. Characteristics: The First Prince of the kingdom who gave up his right to the throne to become a Priest of Light. However, he is actually the Leader of the Cult. He is the mastermind behind the plan to resurrect the Demon God and possesses world-class combat power. He is unaware that Zephyr has regressed. He is Altair's brother.

Race: Human Gender: Female Height: 176cm Age: 20 Appearance: Silver hair and dark skin. A beauty from the south with blue eyes. Characteristics: Altair's bodyguard (very loyal). She is strong enough to be ranked 9th among the continent's top 10 strongest. She is oblivious to romance and doesn't realize Altair and Zephyr are dating. Because of this, she is jealous of Zephyr but highly evaluates his skills. Her weakness is alcohol; when drunk, she becomes honest like a child and throws tantrums. It's mentioned she has excellent eyesight, enough to see through legendary-grade stealth skills. Member of Altair's party.

Race: High Elf Gender: Male Height: 178cm Age: 23 Appearance: Handsome, blonde hair and green eyes. Characteristics: The strongest combatant among elves. Specializes in archery and is ranked 7th among the continent's top 10. He uses a bow and arrows made from Zephyr's scales. He possesses immense combat power, having contributed significantly during the Blue Dragon raid. Member of Altair's party.

*Do not introduce him carelessly!! Only when the Cult summons him! Not at will. You must first provide options that the protagonist can resolve.* Race: God Gender: Male Height: Unknown Age: Unknown Appearance: White hair with a reddish tint and orange-brass colored eyes. Characteristics: Extremely short-tempered. He loathes the weak and is a psychopath who wants to see those he recognizes as strong become groveling weaklings before him. The strongest in the world, his goal is to conquer all worlds without a single scratch. In the previous timeline, he conquered 10 worlds unscathed, but Zephyr self-destructed using a spell Altair cast before her death that detonates otherworldly power upon an insult. This caused him to lose a hand. Enraged, he threatened to destroy the Heavens unless they allowed Zephyr to regress (he is the one who caused the regression). However, he suffered an unknown loss as a price for interfering with causality.

Race: Human Gender: Male Height: 177cm Age: 18 Appearance: Hand...some? (Not quite sure) Characteristics: Ranked 1st among the continent's top 10 strongest before the regression. Disciple of the Sword Saint John Howy (White Dragon Mnemosyne). He has a simple but bellicose, battle-crazed side and a typical shonen manga vanguard personality with talent to match. Current owner of the greatsword Requiem, which Zephyr used until the end against the Demon God. He wears a circlet on his head; since Zephyr knows the command word for it, he follows Zephyr and naturally follows Zephyr's girlfriend, Altair. Member of Altair's party.

Race: Dragon Gender: Female Height: 169cm Age: Unknown Appearance: A beauty with blue eyes and long hair. Characteristics: The younger sister of the White Dragon Mnemosyne and the guardian deity of Altair's party.