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Characters / Onmyoji RPG Supporting

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NPCs who are neither Protagonists nor attainable shikigami.

Warning: Massive unmarked spoilers ahead.

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Voiced by: Ikue Otani
Seimei's "special" shikigami and the Team Pet of the main quartet. For tropes about his humanoid form Hakuzōsu, please see Onmyōji SP and SSR Shikigami.
  • Adapted Out: Does not appear in The Musical despite being a very frequently recurring character.
  • Ambiguous Gender: Is canonically male, but you won't know it judging by Kohaku's androgynous voice, gender-neutral grammar and using its own name as a first-person pronoun.
  • Exposition Fairy: Acts as a guide to the basics of gameplay at the start of the game, leading to the only instance of (justified) Breaking the Fourth Wall.
  • I Am Not Weasel: Immediately corrects anyone calling him a dog instead of a fox, especially Hiromasa. This is featured as a Running Gag in the story. Cue massive Mood Whiplash when the species miscategorizing comes from Yaobikuni…
  • Secret Identity: It turns out he's actually Hakuzosu, Kagura's totem animal that fights with her in battle.
  • Series Mascot: Is depicted on the game's icon when it's not Seimei or Kagura instead.
  • Talking Animal
  • Team Pet: Seems to act as this for the onmyōji.
  • Vitriolic Best Buds: With Hiromasa. He admits more than once that it doesn't like him, but they are still comrades.
    Kuro Seimei
Voiced by: Noriaki Sugiyama (uncredited)
Musical actor: Yoshihide Sasaki (Heian Emaki)
The first Big Bad of the story. The Literal Split Personality of Seimei created when the latter committed the "soul-splitting sin", his hideous crimes are often pinned on Seimei instead.
  • Alleged Lookalikes: Everybody keeps mistaking the good Seimei for him even though their character designs are obviously different to the players' eyes.
  • Adaptation-Induced Plot Hole: The all-CGI cartoon has him siding with Yamata-no-orochi. However, since the whole thing is revealed to have taken place in Seimei's painting at the end of the short, it doesn't have to be accurate.
  • Big Bad: Before Yamata-no-orochi comes in and screws everything up even further.
  • Enemy Mine: He isn't too fond of Yamata-no-orochi himself, so he displays more and more Pet the Dog actions towards Seimei and co. as the story progresses.
  • Enemy Without: He was created when Seimei tried to get rid of his Enemy Within.
  • Evil Counterpart: To Seimei. To this end, two of his more loyal minionsnote  are also the exact same Starter Mon given to a new player during the tutorial.
  • Half the Man He Used to Be: Like Seimei, he is also only a half — the Yin half to be specific — of the original Abe no Seimei.
  • Japanese Pronouns: Ware and watashi, the former being more frequent.
  • Knight of Cerebus: The story takes on a new level of complicated and serious the moment the existence of a "black onmyōji" is mentioned, and just goes downhill from there.
  • Literal Split Personality: He and Seimei are ones of the original Abe no Seimei.
  • Pet the Dog: Though still antagonistic toward Seimei after his defeat, he helps Seimei multiple times, i.e subduing Jorōgumo and offering a clue to the fragments of the Sword of Kusanagi, a move that greatly surprises Seimei.
  • Walking Spoiler: You cannot mention the existence of this guy without also revealing his inherent connection to Seimei. The way the story hints at him before he finally debuts also makes talking about him to those not yet having cleared chapter 12 difficult.
  • Sir Not-Appearing-in-This-Trailer: For obvious reasons.
    Minamoto no Yorimitsu
Voiced by: Toshiyuki Morikawa
Musical actor: Kento Mutō (Ōezan-hen)
The skilled onmyōji of the Minamoto clan who lead a massacre on the demons on Mt. Ōe. He was the master of Onikiri, the supposed famed treasure sword of the Minamoto clan.
  • Anti-Hero: The fact that he committed some pretty reprehensible acts such as seemingly sacrificing innocent women to the Yamata-no-orochi and tricking a yōkai into committing genocide against his own kind already makes him the most morally questionable member of the ensemble. However, it is revealed that in fact his true goal had been to stop the sacrifices long instigated by the Minamoto clan once and for all, by using Kagura's willing, feigned sacrifice as bait to kill Orochi. In fact, the only atrocity he has committed is his manipulation of Onikiri and his creation of demonic weapons.
  • Fantastic Racism/What Measure Is a Non-Human?: He had no qualms committing a genocide against demons using a demon himself, no less.
  • Historical-Domain Character: Minamoto no Yorimitsu.
  • Historical Villain Upgrade: While historical records and legends paint him as an altruistic onmyōji and warrior, who brought peace to the land by quelling many mythical beasts alongside his disciples, the game version of Yorimitsu is most definitely up to no good, or at least an Anti-Hero. This is averted after the Orochi story revisions - he uses the power gained from this deal, and his own body and blood, to create countless demon-slaying weapons, to dispense with the need to sacrifice innocent human lives, only himself.
  • Intelligence Equals Isolation: Is completely ostracised despite his genius, described as "impossible to understand, obsessive, and a little pathetic", with the clan leaders treating him as an ticking bomb, resorting to abhorrent methods to fight demons, telling him that instead of bringing glory to the clan he would become a monster, just like the weapons he created.
  • Jerk with a Heart of Gold: Shows surprising compassion when he reveals that he often goes out to Heian-kyo's destroyed streets after a purge, pouring out a flask of wine to pay homage to those who perished in the Great Fire. His burning drive to protect humanity without the loss of any human life may also count as this.
  • Long-Haired Pretty Boy: Less of a pretty boy than Seimei, but still a good-looking man with long white hair.
  • Multicolored Hair: He has red highlights in his hair, a trait he shares with Hiromasa.
  • Mutual Kill: With Onikiri after he discovered the truth about himself and his master's deception. The fact that Yorimitsu is still alive after this backstory heavily suggests that, like Onikiri, he's also Back from the Dead.
  • Not So Different: Claims to be this to Seimei, which led to the latter performing a soul-splitting ritual that gave rise to Kuro Seimei in the first place.
  • Well-Intentioned Extremist: He wanted to perform a sacrificial ceremony to unleash the Orochi's full power in order to stop demons. Because of this, he called out Seimei, who also wanted to stop demons, for being Not So Different and not wanting to stop him from going through with the ceremony after all. He has also admitted that his hands are already stained with blood, but will spill more to protect humanity from youkai.
  • White Hair, Black Heart: Definitely the most unscrupulous and ruthless human character encountered so far.
    Minamoto no Yoriyasu 
Live actor: Ariso Yamakawa (Ōezan-hen)

  • Canon Foreigner: He is exclusive to the Ōezan-hen musical; the dude doesn't even exist in real-life history. Used to kickstart his little brother's vendetta against all youkai… even though in real life, Yorimitsu did not have an older brother; he was the eldest child of Minamoto no Mitsunaka.
  • Historical-Domain Character: Averted for once.
Voiced by: Koji Yusa
The perverted demon who accidentally wanders into Heian-kyō along with Hōzuki and some other Hell personnel and is later caught nearly devoured by 2 demonesses at the Rashōmon. For tropes about his character, please see Hoozuki no Reitetsu.

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