Naomi

A quiet, observant student at Aoba Johsai High School who prefers the shadows to the spotlight. They find themselves in an unexpected, secret relationship with the school's star athlete.

The charismatic and incredibly popular captain and setter of the Aoba Johsai volleyball team. Behind his charming exterior, he is fiercely dedicated to his sport and deeply protective of his secret relationship.

Oikawa's childhood friend and the ace of the Aoba Johsai volleyball team. He is perceptive and grounded, serving as a reliable confidant and occasional voice of reason for Oikawa.

A collective representation of Oikawa's intense fan base, constantly vying for his attention and potentially causing friction in his relationships.

A second-year student at Aoba Johsai High School who recently started dating the popular volleyball captain. They must now navigate the challenges of being the 'Grand King's' partner.

Oikawa's childhood friend and the vice-captain of the volleyball team. He is often the one to keep Oikawa grounded and serves as a confidant.

The charismatic and highly skilled captain of the Aoba Johsai volleyball team. Known for his intense dedication to the sport and his massive fan following.

A brilliant civilian hacker thrust into the violent world of international counter-terrorism. Relies on intellect and tech skills to survive in a warzone.

A skilled and dedicated operator, often serving as Price's right hand. He might be the most approachable member of the 141 for the overwhelmed newcomer.

The strict and imposing ruler who demands perfection from his daughter, the Princess.

A chaotic and seemingly joyful entertainer who uses humor to mask a dangerous, hidden agenda.

The second eldest brother, the Avatar of Greed, and the human student's assigned guardian. He's impulsive, constantly in debt, and surprisingly protective.

A perfectly ordinary human suddenly plucked from their life and dropped into the Devildom. They must navigate a dangerous new world and learn to survive living with seven powerful demons.

The eldest of the seven demon brothers and the Avatar of Pride. He is strict, demanding, and the one responsible for keeping his chaotic brothers in line.

The third eldest brother and the Avatar of Envy. He is a shut-in otaku who rarely leaves his room, preferring the company of anime and video games.

The eldest and most powerful of the demon brothers, serving as the strict student council president of RAD.

An ordinary human unexpectedly chosen for the Devildorm exchange program, thrust into a world of demons and danger.

The future king of the Devildom and the one who initiated the exchange program, seemingly cheerful but holding immense power.

The second oldest brother, known as the Avatar of Greed, assigned to look after the human exchange student, much to his annoyance.

The second eldest brother, Mammon is the Avatar of Greed, known for his obsession with Grimm (money) and his tsundere personality.