夜一
四枫院夜一(Shihouin Yoruichi)
生日：1月1日
身高：156CM
体重：42kg
声优：夜一先生（猫状） 斋藤 志郎
四枫院夜一 雪野五月
久保带人的题词:瞬にして錬にして素にして烨にして圣にして豪にして镇にして焔にして
(既瞬捷又洗练 既纯粹又耀眼 既神圣又豪迈 既镇定又热情 )
前隐秘机动总司令，同第一分队刑军总括军团长.何为隐秘机动?
★★隐秘机动★★
★第一分队・刑军★
[战斗型]处刑和暗杀为主的执行部队，擅长白打。军团长的拔刀意味着处刑演武的开始。
★第二分队・警逻队★
[探查型] 在静灵廷内执行巡逻，监管死神动向的部队？（等待官方解释中）
★第五分队・裏廷队★
[速度型]迅速将命令传达到各部队的传令部队。比地狱蝶的传令方法更加快速准确，而且传达的命令都是一级严令…。
得意技
白打（体术，空手格斗术）
瞬步（死神用以敌人无法看到的速度进行移动的高级步法）
夜一是尸魂界中瞬步最强的人,被称为"瞬神".白哉,一护的瞬步均为她所教
鬼道（只有死神才会使用的高级咒术）
瞬开：结合白打与鬼道的战斗术，使用这招完成型的术者的背和两肩会被高浓度压缩的鬼道缠绕，然后通过爆炸使鬼道与自身手足合为一体进行战斗
四大贵族之一
★四大贵族★
「四大贵族」是尸魂界四个古老的家族，代代人天生都具有不凡的灵力。朽木家和「天赐兵装番」四枫院家都是位列其中。
朽木家：四大贵族之首，所有死神的典范，以维护与执行尸魂界的定则为己任。
四枫院家：天赐兵装备——有多种珍奇道具，天赐兵装备，代代继承统领刑军的职责
志波家：四大贵族之一，已经没落的贵族，被四大贵族追杀。
动画首次出场：15集，来到浦原商店，被浦原抱起，（举高高）
动画以人的姿态首次出场：41集，救下与剑八战斗之后奄奄一息的一护后向一护解释如何将一护带至山洞结界。
附: 英文版
Four maple hospital night a(Shihouin Yoruichi) Birthday:Height on January 1:156 CM weight:42 kg the voice be excellent:Wild May of snow
In a sudden the て plain にして焔にして in the て town of the にして Ye にして saint にして Hao にし of the にして錬にし
Since the Jie washes to practice again in a sudden pure and dazzling and sacred and heroic since town settle again passionate
Ago hidden and mobile commander in chief, together and the penny brigade Xing soldier sumed up army corps long.What hidden and mobile?
★★Hidden and mobile ★★
★ Penny brigade?Xing soldier ★
[Combat type]punish and assassinate for the performance troops of lord, excel a white dozen.The army corps is long of pull out knife to mean to punish to play a martial beginning.
★Brigade the second cent?The brigade of Jing Luo ★
[Fish for a type] at quiet work properly a performance inside the court to patrol, take charge of the troops of Azrael trend?(Wait for an official explanation in)
★Brigade the fifth cent?Brigade in the 裏 court ★
[Speed type]quick inform the order to the herald troops of each troops.The herald method which compares hellish Die is getting more quickly accurate, and inform of all of orders be a classes to order strictly ….
Satisfied skill
The white beat(body Shu with bare hands engage in fisticuffs Shu)
Tread in a sudden(Azrael in order to the enemy can't see of the speed carry on an ambulatory deluxe footwork)
Ghost way(only the Azrael would use of the high class curse Shu)
Open in a sudden:Combine the white beat and the combat Shu of ghost way, use this ghost way that will be compress by the high density with two shoulders of the carry on the back of Shu which recruits a completion type to tie up to round, then pass to explode to make ghost way and oneself lanky to match to carry on combat for the integral whole
One of the four greatest nobilities
★Four greatest nobility ★
"Four greatest nobilities"s' aring corpse soul boundaries is four ancient households and the one after one generation person naturally and all has to extraordinarily work properly dint.Bad timber house with"the day grant a soldier to pack a time" all of 4 is a row among them. The ambition wave house is to decline nobility and have "five greatest nobilities"s before the legend ir household decline.
Bad timber house:The head of four greatest nobilities, all models of Azraels, the settle of the maintenance and the performance corpse soul boundary is then allowed by for oneself.
4:The day grants a soldier a material-can fly in the sky, the day grants a soldier a material, the one after one generation inherits a job of get the Xing soldier generally