Abe no Seimei

Chief Adviser of the Aotsuki Clan

Greatest of the Onmyōji, Abe no Seimei (a.k.a. 安倍 晴明)

The daughter of the minor deity Kuzunoha, Abe no Seimei is Half-Kitsune, although this lineage does not manifest itself in the usual ways. She has no fox ears sprouting from her black hair, nor a bushy tail behind her. Indeed, the only evidence of her ancestry are her eyes, which are dark and contain a slitted pupil, like that of a wild animal.   Though she is well over 500 years old, Seimei still appears to be a young woman, her lifespan extended far beyond that of a human’s both by magic and her kitsune blood. Many centuries ago, she was the greatest onmyōji in the land, and adviser to the Emperor himself. Though she was removed from the world for a long time after said Emperor’s death, she still carries herself with a regal bearing, her pride and confidence blatantly apparent in her demeanor.   Abe no Seimei appears to have no actual hobbies, instead spending her time fully engaged in clerical work, research, or writing.

Mental characteristics

Personal history

Some time after the death of Emperor Ichijō, Abe no Seimei secluded herself from the outside world, waiting in an interdimensional space created by her mother, Kuzunoha, for another individual with the potential to be as great a ruler. The magicked barrier has been created in such a way that only those with such an ability would be able to discover it and enter. Many such individuals arrived to challenge Seimei over the years, but none were able to prove their strength and worth against her challenges, and so she continued to wait.   In the year 1559, a group of generals from the Hashinara Clan invaded Kuzunoha’s temple and discovered Seimei’s chamber. Though she originally thought the leader to be Ryūzaki Sanosuke, as the others heeded his commands, Seimei clashed with him immediately. After involuntarily offending her once, Sansouke continued to deliver subtle insults, with Seimei responding in kind, if much more bluntly.   As the group defeated her summoned creatures, she gave them one final challenge. Vanishing from the room, she unleashed the power of her familiar, Rasaimoku, summoning a giant skeletal Bakekujira whale in the center of the room. Rasaimoku herself, now bearing the form of a powerful Oni, stood inside the monster’s mouth.   While the other generals struggled to battle the massive Bakekujira, a general Seimei had taken previous note of stepped forward and put a plan of his own into motion. Under Aotsuki Tsukamoto‘s directions, the Hashinara’s own Oni, Baby Huey, grabbed Kaimoku-dōnyō from the monster’s mouth, and absconded from the room. The link between Oni and Bakekujira broken, the latter crumbled into a pile of bones while the former lapsed into unconsciousness.   Greatly impressed by Aotsuki’s cunning and the manner in which the other generals respected his word, Abe no Seimei pledged her service to him, promising that, with her by his side, he would be the next Emperor of Japan.   After these events, Abe no Seimei accompanied Aotsuki in his invasion of Ōmi Province. With the assistance of her summoned Yōkai, he was able to capture the castle and imprison all of the enemy Oda generals without any major casualties on either side. Under Seimei’s advisement, Aotsuki then requested that he be granted the position of Bugyō in the newly-captured province. Impressed with his skillful capture of the territory, Katsusada Shishauezaemon granted his request.   Only a day after the events in Ōmi, Seimei and Aotsuki were called to aid in the Hashinara assault on Ise Province. Despite her misgivings about leaving the castle at Ōmi largely undefended, especially considering the captured Oda generals and troops still held in its dungeons, she heeded her lord’s words and joined in the attack.   Though they helped to push the assault from the Northern front, Seimei’s forces were largely unneeded, and the battle ended without a clear victor, the Hashinara forces pulling back while the Oda-Tokugawa army cloistered themselves in the great shrine in the center of Ise.   Aotsuki and Seimei were quickly teleported back to Ōmi Province in response to reports of an important Oda strategist, one Kuroda Kanbei, appearing and requesting an audience. She was in search of a particular box, one which Seimei’s familiar, Isoko, had obtained in the previous battle, and was willing to do anything to obtain it. Eventually, Aotsuki negotiated that Kanbei would join the Hashinara, and that her box would be kept safe until he deemed her trustworthy, to which the strategist reluctantly agreed. Seimei, however, ensured that Kanbei pledged her allegiance not to the Hashinara clan, but to Aotsuki himself, further building his power base.   Following this battle, Seimei remained in Ōmi Province for some time, managing Aotsuki Tsukamoto's affairs and ensuring the smooth running of the province, while working on some projects of her own devising.   One of these projects came to fruition after Aotsuki and his company had finished their exploration of Himeji Castle, when Seimei contacted him and informed him that she had finished preparations, and would be able to summon a Sheele for him if he wished; a small but powerful spiritual familiar, similar to Seimei's own Rasaimoku. She also suggested that he offer this service to the other major Hashinara generals, as a means of gaining further favor with them. Aotsuki thanked her for this, and appeared quite interested in having a Sheele of his own, but the ritual was postponed due to concerns over how much magical energy would be required.   This issue was exacerbated when Seimei's familiar, Isoko, killed and mauled Maeda Keiji's horse, Matsukaze, in what was supposed to be a friendly duel. Aotsuki, being the one who had set the event up, took responsibility and immediately began searching for a way to revive the horse to its former glory. Under Seimei's advisory, he met with the Hyakki Yagyō and enlisted the services of a Tsuchigumo yōkai named Yatsukahagi for the purpose.   Yatsukahagi was able to recreate Matsukaze's body and reinsert his soul, but wished in return to experiment on Maeda Keiji, and in particular his status as an Empowered Human. Seimei volunteered to assist with this research, and spent a day in the "laboratory" below the castle in Ōmi aiding the yōkai. She has since expressed an interest in somehow luring Yatsukahagi away from the Hyakki Yagyō and making her a familiar, having always wanted a tsuchigumo among her bound yōkai.


Family Ties

  • Daughter of Kuzunoha
  • Half-Sister of Osakabe-hime
  • Half-Sister of Aka no Kitsunebi
  • Half-Sister of Ao no Kitsunebi
  • Half-Sister of Taira no Tokuko

Religious Views

  • Follower of Tsukuyomi

General Rank
General Type
Bewildering Blue-Violet
Blood Type
Lawful Neutral
Current Location
Ōtsu Castle
Honorary & Occupational Titles
Current Residence
Ōtsu Castle
Biological Sex
Purple, slitted
Long, black, sleek
Skin Tone
110 lbs
Aligned Organization
Aotsuki Clan
Other Affiliations
Character Prototype
Abe no Seimei

Character Portrait image: 内海照日 by かみやともひろ


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