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"I loathe perfection. If something is perfect, then there is nothing left. There is no room for imagination. No place left for a person to gain additional knowledge or abilities. Do you know what that means? For scientists such as ourselves, perfection only brings despair."

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Nosomasan "Aizen" Sousuke
Birthplace 30th district rukongai
Birthday {{{birthday}}}
Gender Female
Height 186 cm (6'1")
Weight 74 kg (163 lbs)
Professional Status
Personal Status
Signature Ability
Shikai Enjambre Incendios (火群,Swarming Fire)
Bankai Mano de Llama y Agua (炎と水ハンド, Hands of Fire and Water
First Appearance

Picture 7

Her Ture Form

Nosomasan Sousuke ( 無し相馬はサン, ) is the guardian captain of the Royal King in the Royal King; she later leaves and go Soul Society with his followers, Shayjin Tosogame and all guardian captians . Her friend was Yosochan Sogatome. She was the main antagonist of the series.


Nosomachan arrives with Shayjin in the Seireitei

 Nosomasan as her appears in the Hell arc.

Nosomasan is first seen wearing Arrancar clothes over her Shihakusho with captain's haori, Nosomasan wore full clothing similar in style to the Arrancar.

Prior to her departure from Royal Kingdom, her appeared as a mild-featured teenage girl with light brown and tan long hair enhanced light blue makeup on her eyes. She wore the standard Arrancar uniform with a captain's haori. However, during her ascent to , she removed her makeup with red and swept a hand through her hair, revealing menacing eyes into red eyes and a very different hairstyle (swept back hair, with a strand hanging in his face). As he had previously revealed to Yosochan Sogatome, the Nosomachan they all knew never existed and this would seem to be a visual representation of that claim.


Nosomachan relentlessly drills herself towards perfection and settles for nothing less from herself or those that serve her. She believes that power and domination are what makes a person strong. She has absolute confidence. She has neither pity nor mercy towards those she marks as treasonous or inferior. At her core, Nosomasan relishes death and destruction, such as showing an enjoyment of Seireitei's destruction. She is notable for being one of the most sadistic characters in the series and often tries to make her enemies suffer before she kills them. Despite her current villainous status and former position of authority, Nosomasan is a surprisingly polite, soft-spoken intellectual, often addressing her subordinates by their given names. She rarely shows any sign of alarm or distress and often has entire situations planned out well in advance. Whenever confronted, Nosomasan is casual and uncaring, attempting to draw out a conversation and make small talk, which often infuriates the one she is talking to. Nosomasan is a very cold, callous, dispassionate figure, and is rather aloof, brooding, and indifferent, willing to harm both her comrades and enemies should they ever get in her way. She refers to anyone she does not find interesting as "trash" and treats them as expendable. Despite this, like most of the other top Guradian, she is not particularly violent and will only fight when provoked.