A direct continuation of Shikabane Hime: Aka, taking place six months after Tagami Keisei's death at the hands of the Shichisei (Seven Stars), a group of elite Shikabane who act on more than just regrets. As per Keisei's dying wish, Kagami Ouri formed a temporary contract with Makina to save her from degenerating into a Shikabane. Since then, Ouri's been training to become a proper monk so that he can remain contracted to Makina and help her fight against the Shichisei -- the ones who originally killed Makina, the entire Hoshimura family, and now Keisei. However, the traitorous monk Shishidou Akasha has sided with the Shichisei in an attempt to destroy all Shikabane Hime and the entire monk organization that uses them -- Kougon Sect.

Shinichi Kanou is a shut-in otaku with a vast knowledge of anime, manga, and video games. One day, after applying for a job in hopes of escaping his secluded lifestyle, he is kidnapped and transported to the Eldant Empire—a fantasy world filled with elves, dragons, and dwarves. Trapped in this strange land, Shinichi is given an unlikely task by the Japanese government: to spread otaku culture across the realm by becoming an "Otaku Missionary." To accomplish his mission, Shinichi has the full support of the Japanese government, as well as the half-elf maid Myucel and Princess Petralka of the Eldant Empire. Together with this ra bunch, he will overcome the obstacles of politics, social classes, and ethnic discrimination to promote the ways of the otaku in this holy land. [Written by MAL Rewrite]

The Celestial Records speak of the existence of the "Seraphim," a race of divine beings who give blessings to humanity and are offered prayers by them in return. Those who are anointed with the ability to interact with these spirits are known as "Shepherds." Hailed as heroes for their prompt appearances in times of crisis, while also being feared for their power, the Shepherds are imprinted in common folklore along with the Seraphim. Sorey is a young human who has spent his entire life living in harmony alongside the Seraphim in the village of Elysia. Fascinated by the myths of the Celestial Records, he explores some nearby ruins with Mikleo—his childhood Seraphim companion—hoping to enlighten himself about the Seraphims' history with mankind. Unfortunately, they become trapped in the depths of the historical site during their investigation. While searching for an exit, they come across a mysterious girl who desperately seeks the help of a Shepherd to save the world, which is on the brink of being consumed by darkness. Despite Mikleo's warning about making contact with other humans, Sorey decides to help the stranger, which unknowingly leads him closer to the dream of peaceful coexistence between man and Seraphim. [Written by MAL Rewrite]

Magano, a parallel realm filled with monsters known as "Kegare," is a place where exorcists deal with all impurities. Benio Adashino is a prodigy exorcist who is recognized for her strength and is summoned to Tokyo by the Exorcist Union. On her way, she plummets into the arms of Rokuro Enmadou, a young exorcist with a troubled past. But the impurities of Magano do not rest. When these two exorcists witness a couple of children stolen by a Kegare, Benio rushes to save them, dragging Rokuro along with her into Magano. Engaged in a fight she is on the verge of being defeated in, Benio is saved by Rokuro, revealing himself capable of being her rival in talent. Sousei no Onmyouji tells the story of two talented exorcists who are destined to become the "Twin Star Exorcists" and the prophesised parents of the Miko—the reincarnation of Abe no Seimei—who will cleanse the world of all impurities. [Written by MAL Rewrite]