After defeating the Demon Lord, the great hero Blade finds himself on the brink of death. Though he miraculously survives, he loses a significant portion of his strength. Being stripped of his immense power frees Blade from the obligation of being humanity's savior. He chooses to spend his newfound freetime embarking on a new quest, making friends. Blade enrolls at Rosewood Academy, an institution that trains prospective heroes to become bonafide champions of justice. He quickly fits in, befriending his fellow classmates and helping them through the trials and tribulations on the path toward becoming a hero.

Hiroto Shinohara is a new transfer student to Academy Island, where games determine student rankings. The more games won, the more stars a student has, with the highest ranking being that of a Seven Star. On Hiroto's first day, he accidentally antagonizes Sarasa Saionji, the so-called Empress of Academy Island and granddaughter of the island's head director. Forced into a game fueled by misunderstandings that he somehow ends up winning, he is thrust into a major bluff where he must lie about his ranking or risk expulsion from the school and island. Fortunately, with the help of the mysterious Company headed by Shirayuki Himeji, Hiroto is not alone in his bluff. The Company will do everything in its power to help him cheat his way through the game challenges sent his way by students wanting to beat him. Though he is a One Star student, he must fight as though he is actually a Seven Star, and overcome insurmountable odds in his quest to search for a missing girl from his past.

As peace returns to the demon realm, Anos Voldigoad wishes nothing more than to put his reputation as the Demon King of Tyranny to rest and go back to being a misfit at the prestigious Demon King Academy. Unfortunately, any tranquility is fleeting: sinister demons, kings, and deities plot Anos's demise from the shadows. Rumors spread about the Child of God, a being whose power may rival that of Anos. To uncover the truth and eliminate the potential threat, Anos must journey deep into the land of spirits. However, the spirit world is shrouded in mystery, and it may only be entered after undergoing a series of difficult trials. With unrivaled power and confidence, Anos braces himself to defeat various formidable enemies with grandiose titles. But he—with the assistance of his trusted allies—will barely have to break a sweat as the true Demon King of Tyranny.

Shohoku's speedster and point guard, Ryouta Miyagi, always plays with brains and lightning speed, running circles around his opponents while feigning composure. Born and raised in Okinawa, Ryouta had a brother who was three years older. Following in the footsteps of his older brother, who was a famous local player from a young age, Ryouta also became addicted to basketball. In his second year of high school, Ryouta plays with the Shohoku High School basketball team along with Sakuragi, Rukawa, Akagi, and Mitsui as they take the stage at the Inter-High School National Championship. And now, they are on the brink of challenging the reigning champions, Sannoh Kogyo High School. (Source: GKIDS, edited)