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Seishirou Shishirui

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Seishirou Shishirui (死屍累 生死郎, Shishirui Seishirō) was Shinobu Oshino's first vampire minion and the original apparition killer. He is the main antagonist of Shinobu Mail.


While most usually shown in a full set of samurai armor that covers his entire body, his true appearance underneath depicts a pale skin man with pointy elf-like ears and long, black hair. He wears a formal, black suit.

Like his former master, he seems to take the form of different ages depending on how much he has revived. In Shinobu Mail, he takes the form of a small child when he first meets Koyomi Araragi outside his samurai armor.



Seishirou was originally a Japanese warrior known for his ability to kill oddities by using the swords Kokorowatari and Yumewatari. During his travels, he met Kiss-shot Acerola-orion Heart-under-blade, who assumed the role of the local god in a village in Japan, and began visiting her on occasion, although Seishirou did not show any aggression towards the vampire. Kiss-shot's presence soon took the attention of the entity later identified as Kurayami, and despite their combined efforts to stave off the effects of the Kurayami in the village, the entity continued its rampage, consuming the inhabitants of the village and Seishirou in the process.

Kiss-shot managed to escape with Seishirou's disembodied hand, which all that remained of the warrior, and used this to revive him as a vampire, turning him into the first minion of the King of Oddities. This fate was gravely rejected by Seishirou, and he leapt into the sunlight soon after his revival, cursing Kiss-shot as well as saying her name for the first time as he turned to ash. Among the things that he left behind after his suicide was a replica of the Kokorowatari made from his own flesh, which remained in Kiss-shot's possession.

He was reincarnated fifteen years prior to the beginning of the series, four-hundred years after his first suicide attempt.


Koyomi Vamp

Only briefly mentioned, it's revealed that Kiss-shot's first minion attempted suicide by jumping into the sun.

Shinobu Time

Shinobu Mail

Seishirou desires to meet Shinobu Oshino and possibly continue his relationship with her, but he is defeated by Araragi in a duel and afterwards rejected, commits suicide, and is eaten by Shinobu.


  • The name Seishirou can literally mean "son of life and death", while the surname Shishirui can be interpreted as "involved with corpses".
  • He shares the voice actor of Araragi, Hiroshi Kamiya. In one scene, it seems to imply that Seishirou literally stole his voice in order to speak, but his true voice is still voiced by Kamiya when it returns to him.

Appears In




v  d  e
Characters of the Monogatari Series
Araragi Family Koyomi AraragiKaren AraragiTsukihi AraragiAraragi Matriarch
Heroines Hitagi SenjougaharaMayoi HachikujiSuruga KanbaruNadeko SengokuTsubasa Hanekawa/Black HanekawaShinobu OshinoSodachi OikuraOugi Oshino
Oddity Specialists Meme OshinoDeishuu KaikiYozuru KagenuiYotsugi OnonokiIzuko GaenTadatsuru TeoriSeishirou Shishirui
Hearsay Police Department Zenka SuoNozomi KizashimaMitome SaizakiTsuzura Kouga
Vampire Hunters DramaturgyEpisodeGuillotine Cutter
Other Characters Hitagi's FatherHitagi's MotherTsunadeMayoi's FatherTooe KanbaruSuruga's FatherSuruga's GrandmotherNadeko's ParentsTsubasa's ParentsMizudoriRousokuzawaHigasaRouka NumachiSasayabuKomichi TetsujouDeathtopia Virtuoso Suicide-MasterTropicalesque Home-A-Wave Dog-Strings
v  d  e
Oddities of the Monogatari Series
Types VampireSawarinekoHeavy Stone CrabLost CowRainy DevilJagirinawaFlame-Wreathe BeeShide no ToriTsukumogamiSlug Tofu
Oddity Inflicted Characters Koyomi AraragiTsubasa HanekawaHitagi SenjougaharaSuruga KanbaruNadeko SengokuKaren Araragi
Oddity Characters Shinobu OshinoMayoi HachikujiBlack HanekawaDramaturgyEpisodeYotsugi OnonokiTsukihi AraragiKakoKuchinawaRouka NumachiSeishirou ShishiruiZenka SuoNozomi KizashimaMitome SaizakiDeathtopia Virtuoso Suicide-MasterTropicalesque Home-A-Wave Dog-Strings

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