Hare Akira-sama no Ossharu Koto ni wa Heian Inyo Shinryoroku

A young man named Watanabe Harunobu dreams of becoming a samurai but hides a personal secret. After falling ill, he encounters the enigmatic onmyoji Abe no Seimei, who identifies the source of his sickness. Seimei also revives an aristocrat who drowned in a pond, demonstrating his unusual abilities. When Harunobu inquires about these powers, Seimei explains they are rooted in "medical arts." He then discovers Harunobu's secret and insists he work as his assistant. Together, they confront and treat various ailments in a Heian-era setting.