When 20-year-old college student Haruto Amakawa dies in a traffic accident, he does not expect to wake up in an unfamiliar world in the body of a young boy named Rio. As their memories and personas fuse, Rio realizes that he now also possesses magical powers. He is relieved to find that his burning passion for revenge against his mother's murderers has not subsided, despite his newly changed identity. Not soon after, Rio comes across the kidnapped princess of the Bertram Kingdom and saves her without hesitation. To express his gratitude, the king grants him the opportunity to enroll in the Bertram Royal Academy. Believing this to be a new chapter in his life, he is excited to study at this prestigious academy, but life here proves to be difficult for him, a slum-dweller surrounded by the majestic children of nobles.

Following an encounter with oddity specialist Izuko Gaen, third-year high school student Koyomi Araragi wakes up in a strange, deserted void only to be greeted by a joyfully familiar face in an alarmingly unfamiliar place. Araragi, with the help of his girlfriend Hitagi Senjougahara, maneuvers through the webs of his past and the perplexities of the present in search of answers. However, fate once again delivers him to the eccentric transfer student Ougi Oshino, who brings forth an unexpected proposal that may unearth the very foundation to which he is anchored. As Araragi peels back the layers of mystery surrounding an apparition, he discovers a truth not meant to be revealed.

When humanity was oppressed by mysterious foes known as the Celestial Hosts, five exceptional mages joined forces to defeat them. In fear that these formidable enemies would return, the five most powerful mages, known as the Magia Vander, built a magical dome and a tower to contain them. Since then, the five strongest mages of every generation are tasked with monitoring the dome from the top of the Wizard's Tower. Inspired by this story, childhood friends Will Serfort and Elfaria Albis Serfort promised each other that they would climb to the top of the Wizard's Tower. However, now a sixth-year student at Regarden Magic Academy, Will's future looks bleak. Although Elfaria managed to join the ranks of the Magia Vander five years prior thanks to her unparalleled magical power, Will has no magical abilities whatsoever, attracting the ire of teachers and students alike. However, blessed with an exceptional physique, Will is able to slay monsters in the labyrinth and prevail against skilled magicians with the only aid of his sword and a few magical items. Determined to climb the Wizard's Tower at all cost, Will is determined to not let anyone or anything prevent him from keeping the promise he made to Elfaria.

Onto their third serialization, manga duo Moritaka Mashiro and Akito Takagi—also known by their pen name, Muto Ashirogi—are ever closer to their dream of an anime adaption. However, the real challenge is only just beginning: if they are unable to compete with the artist Eiji Niizuma in the rankings within the span of six months, they will be canceled. To top it off, numerous rivals are close behind and declaring war. They don't even have enough time to spare thinking about an anime! In Bakuman. 3rd Season, Muto Ashirogi must find a way to stay atop the colossal mountain known as the Shounen Jack rankings. With new problems and new assistants, the pair continue to strive for their dream.