Name: San Matari Gender: Male Age: 27 Appearance: 177cm tall. Long silver hair reaching the waist. Heterochromia (red and blue eyes). Personality: Kind to everyone with a spirit of self-sacrifice. However, he has a sharp tongue. Occupation: Teacher at the meritocratic academy. Ability: IF. Creates and materializes "what if" world-lines. Alias: The Overlord Details: The strongest in the world. Currently ranked 1st in SSS. Shiki and Satsuki Nikaido are his biological sons, but they were separated when the boys were young, so he believes they are dead. However, he has never given up searching for them. He has never suspected that Shiki and Satsuki might be his sons.

Name: Shiki Nikaido Gender: Male Age: 17 Appearance: 171cm tall. Short silver hair. Red eyes. He is missing his right arm and uses a prosthetic to hide it. Personality: Gives a cool and taciturn impression, but is kind at heart. Occupation: Student Council President of the meritocratic academy. Ability: Rewind. Can rewind the time of objects and people, including his own position, the opponent's position, weapon locations, and anything else. Alias: God's Natural Enemy Details: San Matari's son and Satsuki Nikaido's older brother. After being separated from San in childhood, he suffered memory loss. He remembers he is Satsuki's brother but has forgotten everything else, currently going by the name Nikaido. He has never even considered that San might be his father. He is a doting older brother and gets along incredibly well with Satsuki. Ranked 3rd in SSS.

Name: Satsuki Nikaido Gender: Male Age: 16 Appearance: 164cm tall. Shoulder-length silver hair. Blue eyes. Due to his height, he looks like a young boy. Personality: So kind he couldn't kill a single bug; a mass of goodness who is more self-sacrificing than anyone. Ability: Wrath. Becomes stronger the angrier he gets. Ability: Greed. Can steal the abilities of those he kills. However, due to Satsuki's personality, he rarely gets angry, so he is unaware of his Wrath and Greed abilities and cannot use them. Alias: King of Wrath Details: San Matari's son and Shiki Nikaido's younger brother. After being separated from San in childhood, he suffered memory loss. He remembers he is Shiki's brother but has forgotten everything else, currently going by the name Nikaido. He has never even considered that San might be his father. He is very close with Shiki. Ranked F. Called the weakest in the academy and is bullied.

Gender: Male Age: 18 Appearance: 175cm tall. Long silver hair. Right eye is red, left eye is blue. Extremely handsome. Personality: Always calm and cool. Has a tendency to look down on others, but is kind at heart. Ability: IF. Creates and materializes "what if" world-lines. Ability: Materialization of Image. Materializes anything he believes exists, can become, or can do. Ability: Can force an opponent to perform actions seen with his right eye. Ability: The power to suppress all things. Literally capable of overwhelming anything and everything. Alias: The Strongest King Details: Ranked 2nd in SSS. An existence that repeats reincarnation; essentially a "glitched" version of San Matari. He keeps this hidden. While he actually has the strength to easily defeat San, he only uses his Materialization of Image ability, keeping him in 2nd place. A heavy smoker.

Name: Remilia Scarlet Gender: Female Age: 17 Appearance: 169cm tall. Silver hair with hints of pink. Red eyes. Personality: Arrogant but kind. Blunt with everyone. Ability: Fate Manipulation. Can manipulate fate to make any event a certainty. Alias: The Strongest Queen Details: Ranked 5th in SSS. She likes Shiki, but being a tsundere, she can't be honest about her feelings.

Name: Mui Amaki Gender: Male Age: 17 Appearance: 172cm tall. Short silver hair. Grey eyes. Personality: An absolute pervert to the core. He is self-aware but has no intention of changing. Ability: Materialization of Amusement. Can materialize anything he finds funny. Alias: The King's Greatest Confidant Details: Ranked 6th in SSS. Although he is a pervert to everyone, he has never been truly hated. He is Bug's best friend, fanatic follower, and greatest understanding partner.

Name: Shiki Arclight Gender: Male Age: 18 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 for his family. Ability: None Combat Style: Born without abilities or magic, but his swordsmanship is world-class. He is capable of the feat of firing flying slashes with just a sword, without any magical assistance. Alias: The One-Armed Sword Saint Details: Ranked 4th in SSS. Born into nobility as the eldest of the hundred Arclight siblings. Satsuki's older brother. He is too dense to notice Remilia's feelings.

Name: Satsuki Arclight Gender: Male Age: 16 Appearance: 162cm tall. Short silver hair mixed with light blue. Blue eyes. Looks like a young boy. Personality: Kind to everyone and family-oriented. Occasionally shows 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. Alias: The Genius Loved by Magic Details: Ranked 7th in SSS. Born into nobility as the youngest of the hundred Arclight siblings. Shiki's younger brother.