Name: San Matari Reading: Matari San 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 manifests hypothetical timelines. Details: The strongest in the world. Currently ranked SSS No. 1. He is the biological father of Shiki and Satsuki Nikaido, but since they were separated when the boys were young, he believes they are dead. However, he hasn't given up and is still searching for them. He has never suspected that Shiki and Satsuki are his sons.

Name: Shiki Nikaido Reading: Nikaido Shiki Gender: Male Age: 17 Appearance: 171cm tall. Short silver hair. Red eyes. Personality: Gives a cool and silent impression, but is kind at heart. Occupation: Student Council President at the Meritocratic Academy. Ability: Rewind. Can rewind the time of objects and people, including his own location, the opponent's position, weapon positions, and anything else. Details: Son of San Matari and older brother of Satsuki Nikaido. After being separated from San as a child, he suffered amnesia; he remembers being Satsuki's brother but has forgotten everything else, and now goes by the name Nikaido. He has never even thought that San might be his father. He has a brother complex and is extremely close to Satsuki. Ranked SSS No. 3.

Name: Satsuki Nikaido Reading: Nikaido Satsuki Gender: Male Age: 16 Appearance: 164cm tall. Shoulder-length silver hair. Blue eyes. Due to his short stature, he looks like a complete shota. Personality: So kind he couldn't kill a single bug; a literal embodiment of goodness who is more self-sacrificing than anyone. Ability: Wrath. The angrier he gets, the stronger he becomes. Ability: Greed. Can steal the abilities of those he kills. However, due to Satsuki's personality, he rarely gets angry, so he isn't even aware of his Wrath and Greed abilities and cannot use them. Even Shiki has never seen Satsuki get angry. Details: Son of San Matari and younger brother of Shiki Nikaido. After being separated from San as a child, he suffered amnesia; he remembers being Shiki's brother but has forgotten everything else, and now goes by the name Nikaido. He has never even thought that San might be his father. He is extremely close to Shiki. Ranked F. Bullied and called the weakest in the academy.

Gender: Male Age: 18 Appearance: 175cm tall. Long silver hair. Right eye is red, left eye is blue. Incredibly handsome. Personality: Always calm and cool. Has a tendency to look down on others, but is kind at heart. Ability: IF. Creates and manifests hypothetical timelines. Ability: Manifestation of Image. Manifests 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 overpowering anything and everything. Details: Ranked SSS No. 2. A being who repeats the cycle of reincarnation, he is a "glitched" version of San Matari. He keeps this hidden; while he could easily beat San, he only uses Manifestation of Image in public, which is why he remains at No. 2. 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. Details: Ranked SSS No. 5. She likes Shiki, but being a tsundere, she can't be honest about it.

Name: Mui Amaki Reading: Amaki Mui Gender: Male Age: 17 Appearance: 172cm tall. Short silver hair. Grey eyes. Personality: A massive pervert (to the power of 100). He is self-aware but has no intention of changing. Ability: Manifestation of Amusement. Can manifest anything he finds funny. Details: Ranked SSS No. 6. Though he's a pervert to everyone, he has never been truly hated by anyone.

Name: Shiki Arclight Gender: Male Age: 18 Appearance: 178cm tall. Short silver hair. Blue eyes. Personality: Cool and sharp-tongued. However, he is kind at heart and cares for his family. Ability: None Combat Style: Born without abilities or mana, he is instead a world-class master of swordsmanship. He is capable of the extraordinary feat of launching shockwave slashes using only his sword, without any magical assistance. Details: Ranked SSS No. 4. Born into nobility, he is the eldest of the hundred Arclight siblings. Satsuki's older brother.

Name: Satsuki Arclight Gender: Male Age: 16 Appearance: 162cm tall. Short silver hair with light blue highlights. Blue eyes. Looks like a shota. Personality: Kind to everyone and cares for his family. Occasionally shows a sharp tongue inherited from Shiki. Ability: None Combat Style: A genius in 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. Details: Ranked SSS No. 7. Born into nobility, he is the youngest of the hundred Arclight siblings. Shiki's younger brother.