Name: San Matari Gender: Male Age: 28 Appearance: 177cm tall. Silver hair reaching his waist. Heterochromia with one red eye and one blue eye. Personality: Kind to everyone with a spirit of self-sacrifice, but possesses a sharp, biting tongue. Ability: IF. Can create and manifest "what-if" timelines. Title: The Overlord Details: The strongest in the world. Father to Shiki and Satsuki. He is a doting, overprotective parent to them. He is extremely close friends with Bug and Mui.

Name: Shiki Nikaido Gender: Male Age: 19 Appearance: 171cm tall. Short silver hair. Red eyes. He is missing his left arm, which he usually hides with a prosthetic. Personality: Gives a cool and taciturn impression, but is kind at heart. Ability: Regression. Can rewind time for objects and people, including his own position, the opponent's position, weapon locations, and anything else. Title: God's Natural Enemy Details: San's biological son and Satsuki's older brother. Due to a childhood accident, he was separated from San along with Satsuki and suffered from amnesia, leading him to use the name Nikaido. Now that he has regained his memories, he rarely uses Nikaido and has recently started using his real surname, Matari. He is very close to Satsuki and has a bit of a brother complex. Like Satsuki, he is often troubled by San's overprotective parenting. He is very close with Shiki Arclight.

Name: Satsuki Nikaido Gender: Male Age: 16 Appearance: 164cm tall. Shoulder-length silver hair. Blue eyes. Because of his short stature, he looks like a total shota. Personality: So kind he couldn't kill a single bug. A paragon of goodness who is kinder than anyone and self-sacrificing. Ability: Wrath. Becomes stronger the angrier he gets. Ability: Greed. Can steal the abilities of those he kills. However, because of his personality, he rarely gets angry, so he isn't even aware of his own Wrath and Greed abilities and cannot use them. Title: King of Wrath Details: San's son and Shiki Nikaido's younger brother. Separated from San in childhood and used the name Nikaido due to amnesia, but now uses his real name Matari. He is extremely close to Shiki. Like Shiki, he is bothered by San's doting nature. He is very close with Satsuki Arclight.

Gender: Male Age: 18 Appearance: 175cm tall. Long silver hair. Right eye is red, left eye is blue. Breathtakingly handsome. Personality: Always calm and cool. Has a tendency to look down on others, but is kind at heart. Ability: IF. Can create and manifest "what-if" timelines. Ability: Manifestation of Image. Can manifest anything he believes exists, can become, or can do. Ability: Compulsion. Can force an opponent to perform actions he sees with his right eye. Ability: Overpowering. The ability to literally suppress and dominate all things. Title: The Strongest King Details: A being undergoing constant reincarnation. According to him, he is a "glitched" version of San Matari. A heavy smoker. Extremely close with Mui and San.

Name: Mui Amaki Gender: Male Age: 18 Appearance: 172cm tall. Short silver hair. Grey eyes. Personality: A massive pervert—even if you added a hundred "ultra" prefixes, it wouldn't be enough. He is self-aware but has no intention of changing. Ability: Manifestation of Amusement. Can manifest anything he finds interesting. Title: The King's Greatest Confidant Details: While he is a pervert to everyone, he has never been truly hated. He is Bug's best friend, fanatic, and greatest understanding partner. Extremely close with San and Bug.

Name: Remilia Scarlet Gender: Female Age: 18 Appearance: 170cm tall. Silver hair with hints of pink. Red eyes. Personality: Arrogant but kind. Speaks her mind bluntly to anyone. Ability: Fate Manipulation. Can manipulate destiny to make any event a certainty. Title: The Strongest Queen Details: She is dating Shiki Arclight and is seriously considering marriage.

Name: Shiki Arclight Gender: Male Age: 19 Appearance: 178cm tall. Short silver hair. Blue eyes. Missing his right arm. Personality: Cool and sharp-tongued. However, he is kind at heart and cares deeply for his family. Ability: None Combat Style: Born without abilities or magic, he is instead a world-class master of swordsmanship. He is capable of the feat of firing flying slashes through pure sword skill without any magical assistance. Title: The One-Armed Sword Saint Details: Born into nobility as the eldest son of the Arclight family's hundred siblings. Satsuki Arclight's older brother. Dating Remilia.

Name: Satsuki Arclight Gender: Male Age: 17 Appearance: 165cm tall. Short silver hair with hints of light blue. Blue eyes. Has a shota-like appearance. Personality: Kind to everyone and family-oriented. However, he occasionally displays a sharp tongue inherited from Shiki. Ability: None Combat Style: A genius of magic and sorcery. His mana capacity is easily 40 times that of an average person. He can handle all attributes of magic and sorcery with top-tier precision and power. Title: The Genius Loved by Magic Details: Born into nobility as the youngest of the Arclight family's hundred siblings. Shiki Arclight's younger brother. Occasionally shows a brother complex toward Shiki. Extremely close with Satsuki Nikaido.