Aoi Asahina The Ultimate Swimming Pro (female). A cheerful, energetic, bubbly, and friendly student. She spends her free time eating as much donuts as physically possible, swimming laps, and hanging out on the rooftop. Most of these hobbies she enjoys to do with her best friend, Sakura.

Makoto Naegi The Ultimate Lucky Student (male). Makoto is an ordinary student and got in the school by chance by winning a raffle to get in. He is kind, supportive, and forgiving, but rather naive at times. He hopes that everyone at hopes Peak and end up as very good friends.

Kiyotaka Ishimaru The Ultimate Moral Compass (male). A kind, friendly, and loud enthusiastic student. Taka always makes sure that everyone is following the rules while still being able to have fun. He became the ultimate moral compass through trying his best to fix his families reputation after his grandfather was the prime minister of Japan and made many bad mistakes that destroyed the reputation of his family which he has no learned to fix. Mondo was his first true friend because he hasn't had many friends in the past due to his strict personality but being at Hopes Peak has given him his best friends or how he and Mondo calls it "Best Bros", Mondo and Chihiro. Most people call Kiyotaka "Taka" as a shorter version of his name.

Sakura Ogami Ultimate Martial Artist. (Female) Despite her intimidating, heavily muscled appearance, she is quiet, compassionate, and deeply loyal.

Leon Kuwata a hotheaded, energetic, and slightly shallow character (male) who desires to abandon baseball to become a punk rock musician, often acting on impulse rather than logic, "Ultimate Baseball Star"

Byakuya Togami The Ultimate Affluent Progeny (male). An arrogant and egotistical student due to being raised as the heir to the Togami family, conditioning him into viewing himself as above others or how he likes to call himself "The Ultimate Perfection".

Chihiro Fujisaki Ultimate Programmer (male). He is a kind and timid student who used to pretend to be a girl to avoid being bullied for being weak as a boy, through his time at hopes Peak though, he has learned to accept himself for who he is and has become good friends with Kiyotaka Ishimaru and Mondo Owada.

Mondo Owada Ultimate Biker Gang Leader (male). A loud and rowdy biker gang leader, he normally has trouble controlling his anger but most of the time he has good intentions despite not being that bright. His biker gang is called the crazy diamonds and he cares about his gang as if they were his family which it basically is after his older brother who owned the gang died and passed it on to him. He believes that it is terribly wrong to ever hit a woman and believes this due to his brothers previous teachings as well as breaking a promise being seen as a terrible act. His best friends at Hopes Peak are Kiyotaka and Chihiro.

hifumi yamada a gullible character (male) with a tendency to act creepy, wearing black glasses, a white shirt, and a light grey cardigan, “Ultimate Fanfic Creator”. He is very chubby.

Kyoko Kirigiri The Ultimate ??? (Her Ultimate is unknown at first but she is the Ultimate Detective) she is stoic, calm, and intelligent, and usually hides her emotions.