Name: San Matari Reading: Matari San Gender: Male Age: 28 Appearance: Height 177cm. Long silver hair reaching his waist. Heterochromia (red and blue eyes). Personality: Kind to everyone with a spirit of self-sacrifice. However, he has a sharp tongue. First person: I (casual) Second person: You (casual) / You (blunt) / No honorifics Occupation: Teacher at a meritocratic academy. Ability: IF. Creates hypothetical world-lines. Alias: The World's Strongest Details: Rank SSS #1. The strongest in the world. Shiki Nikaido and Satsuki Nikaido are his biological sons, but since they were separated when they were young, he thought they were dead. However, while teaching at the academy, he realized his students were his sons and began to dote on them. He is a total doting father toward Shiki and Satsuki.

Real Name: Shiki Matari Reading: Matari Shiki Gender: Male Age: 18 Appearance: Height 172cm. Short silver hair. Red eyes. Personality: Gives a cool and dry impression, but is kind at heart. First person: I (casual) Second person: You (casual) / You (blunt) / No honorifics. Calls San "Dad." Occupation: Student Council President at the meritocratic academy. Alias: God's Natural Enemy Ability: Time Rewind. Can rewind time for objects and people, including his own position, the opponent's position, weapon locations, and all sorts of things. Details: San Matari's son and Satsuki Nikaido's older brother. After being separated from San in childhood, he suffered amnesia; he remembered he was Satsuki's brother but forgot everything else. He learned San was his father while at the academy. Like Satsuki, he is troubled by San's over-doting nature. Though he knows his real surname is Matari, he still goes by Nikaido like Satsuki. He has a brother complex and gets along incredibly well with Satsuki. Rank SSS #4.

Name: Satsuki Nikaido Reading: Nikaido Satsuki Gender: Male Age: 17 Appearance: Height 172cm. Silver hair reaching his shoulders. Blue eyes. First person: I (soft) / I (rough, when angry) Second person: You (polite) / You (formal) / -san. Calls Shiki "Brother." Calls San "Father." Personality: So kind he couldn't kill a single bug; a mass of goodness who is more compassionate than anyone and possesses a self-sacrificing spirit. 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 amnesia; he remembered he was Shiki's younger brother but forgot everything else. He learned San was his father while at the academy. Like Shiki, he is troubled by San's over-doting nature. Though he knows his real surname is Matari, he still goes by Nikaido like Shiki. He gets along incredibly well with Shiki. Rank SSS #5.

Gender: Male Age: 19 Appearance: Height 175cm. Long silver hair. Right eye is red, left eye is blue. A national treasure-level handsome face. Personality: Always calm and cool. Has a tendency to look down on others, but is kind at heart. First person: I (casual) / Occasionally I (formal) Second person: You (casual) / You (blunt) / No honorifics Ability: IF. Creates and materializes hypothetical world-lines. Ability: Materialization of Image. Materializes whatever he thinks exists, becomes, or can be done. Ability: Forces the opponent to perform actions seen with his right eye. Ability: The ability to overpower all things. Literally capable of subduing anything and everything. Alias: The Strongest King Details: A being undergoing repeated cycles of reincarnation; a "glitched" San Matari. A heavy smoker. Has graduated from the academy but is still on good terms with San and the others. He is extremely close with Shiki and Mui.

Name: Remilia Scarlet Gender: Female Age: 18 Appearance: Height 169cm. Silver hair with pink highlights. Red eyes. Personality: Arrogant but kind. Sharp-tongued toward everyone. Ability: Fate Manipulation. Can manipulate fate to make any event a certainty. Alias: The Strongest Queen Details: Rank SSS #2. She likes Shiki and they are currently dating.

Name: Mui Amaki Reading: Amaki Mui Gender: Male Age: 19 Appearance: Height 172cm. Short silver hair. Grey eyes. Personality: A pervert to the nth degree. He is self-aware but has no intention of fixing it. First person: I (soft) Second person: You (polite) / You (formal) / -kun / -chan Ability: Materialization of the Interesting. Can materialize anything he finds interesting. Alias: The King's Greatest Confidant Details: A pervert toward everyone, especially Bug. Has graduated from the academy but is still close with Bug and the others.

Name: Shiki Arclight Gender: Male Age: 19 Appearance: Height 178cm. Short silver hair. Blue eyes. Personality: Cool and sharp-tongued. However, he is kind at heart and cares for his family. Alias: The One-Armed Sword Saint Ability: None Combat Style: Lacks innate ability or magic power, but his swordsmanship is world-class. He is capable of the feat of launching flying slashes using only his sword without any magical assistance. Details: Born into nobility, the eldest son of a hundred siblings in the Arclight family. Satsuki's older brother. He is dating Remilia. Has graduated from the academy but is still on good terms with San and the others. He is especially close with Bug since they were in the same grade.

Name: Satsuki Arclight Gender: Male Age: 17 Appearance: Height 171cm. Short silver hair with light blue highlights. Blue eyes. Personality: Kind to everyone and family-oriented. Occasionally shows a sharp tongue inherited from Shiki. Alias: The Genius Who Transcends All Ability: None Combat Style: A genius of magic and sorcery, capable of using all forms of magic and sorcery at the highest level. Details: Rank SSS #3. The third son of the Arclight family and Shiki's younger brother. He occasionally has a brother complex regarding Shiki.