In the distant past, Miguel, the God of Destruction, was sealed inside the knight who ruled over light and darkness, Sturmhurt. Alongside the knight was Gestöber, who accompanied him through countless battles. In the present day, destiny causes them to reincarnate as Kabuto Hanadori and Seri Koyuki, two classmates. Their reunion should be a joyous moment, if not for the fact that these fantasied heroes are just products of Kabuto's delusions. As the fictional "Gestöber," Seri finds himself in various embarrassing situations due to Kabuto's antics that sometimes grow out of his control. Moreover, his classmate Utsugi Tsukimiya joins the fray with his absurdly accurate mind-reading abilities, slowly destroying Seri's social life. Seri tries hard to stay away from them, refusing to acknowledge their shenanigans, however with Kabuto's chuunibyou and Utsugi's unpredictability, he is only bound to be swept by the craziness coming his way.

Ancient Japan is under attack by powerful beings called "Kamikui," and it is up to the "Oni" and his band of eight beautiful female warriors to stop them. Each of these girls have unique skills, abilities, and personalities. They partner themselves with the Oni, Jin, to stop the miasma of darkness sweeping across Japan. Onigiri follows the escapades of Jin and his merry companions as they strengthen their bonds and fend off the demonic invasion.

In the 1960s, a gifted young medical student tries to make a name for himself. Kuroo Hazama is a reserved young man with unusual black-and-white hair, a body covered with scars, and a dark past. Despite only being a medical student, his surgical brilliance starts to attract attention after he completes a seemingly impossible operation. Together with the spirited and honest intern Maiko Okamoto and Yabu, a close friend with a troubled life, Hazama devotes himself to the world of medicine. However, his path to becoming a respectable surgeon is a difficult one as student riots, war, and corruption are consuming Japan. Hazama quickly finds himself caught up in a series of nefarious circumstances that challenge his integrity as a person and his path towards becoming a surgeon. Young Black Jack chronicles the story of a man capable of performing unthinkable feats of medicine, and the journey that leads him to become the legend known as Black Jack.