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Kan'u Unchou  ( (かん) () 雲長 (うんちょう)? Guan Yu - Yunchang), also known as Aisha  ( (あい) (しゃ)?), is a general and co-founder of Shoku, Ryuubi and Chouhi's sworn sister, and one of the main female protagonists and main heroines in the Koihime†Musou series. She also served as a general and co-founder of the Hongou Faction in the original Koihime † Musou game.



Arguably the main heroine, Kan'u leaves her hometown with Chouhi to save people suffering from the Yellow Turban Rebellion and also to search for a master who holds the power to quell the violence. She hears from a prophet named Kanro about a certain "Messenger from Heaven" who will end all the unrest.
She shows up shortly after Hongou Kazuto is warped to her world and saves him from a group of bandits. Due to Kazuto's strange attire and manner of speech (English loan-words), she subsequently believes him to be the messenger. Although Kazuto insists that he is not the savior mentioned in the prophecy, his words show that he places the well-being of the people above himself, so Kan'u decides that he is indeed the Messenger from Heaven (at the very least, a worthy master to serve under) and becomes the first person to vow loyalty to him. Although she understands that, relatively speaking, Kazuto is just a regular person, the two decides to keep the "Messenger from Heaven" act for the sake of raising people's morale so that they can gather volunteer soldiers.
Even after putting an end to the Yellow Turban Rebellion, she remains the driving force behind the Hongou faction and displays many heroic actions in the wars that follow, often being the leading voice for the other girls as well as the motivator of the group.
  • Act Debut: 1
  • Scenes of interaction: 16

Shin Koihime†Musou/Shin Koihime†Musou -Kakumei-[]

Shoku Route/Ryuuki no Taibou[]

Ryuubi's second-in-command and confidante, she is a very strict general and disciplinarian, especially towards Ryuubi (due to Ryuubi being a rather naive and reluctant ruler), and Kazuto (out of jealousy over Kazuto's skirt-chasing, since she herself, in fact, harbors romantic feelings towards him). It is notable that, with the introduction of Ryuubi, she is no longer the main heroine. However, her presence is still crucial to the story. 
Her role in Moeshouden is greatly reduced; she doesn't have any love scenes whatsoever.

Gi Route/Son Go no Kechimyaku[]

In the Gi route, she is first introduced as a member of Ryuubi's forces during the anti-Toutaku campaign.

Go Route/Souten no Haou[]


Shin Koihime†Eiyuutan[]

Shin Koihime†Eiyuutan 1[]

Shin Koihime†Eiyuutan 2[]

Shin Koihime†Eiyuutan 3[]

Shin Koihime†Eiyuutan 4 • 5 • Gaiden[]

Shin Koihime†Eiyuutan 4[]

Shin Koihime†Eiyuutan 5[]

Shin Koihime†Eiyuutan Gaiden[]

Anime version[]

Kan'u is known as the Beautiful Black-Haired Bandit Fighter who wields the Green Dragon Crescent Blade. She is also one of the main characters introduced beside Chouhi. Her past reveals that her family was killed by bandits, which made it her quest to ensure innocent people will never suffer as she did. She cares a lot for her friends, and she is a sister to Chouhi after they swore a vow of sisterhood. 
Somewhat self-conscious of her appearance, she often finds herself as the butt of jokes to those who blatantly point out physical aspects of her, such as her age, of which she is very sensitive.
After having Ryuubi join them in the second season, she becomes a role model for Ryuubi, who later decides to make a vow of sisterhood with her as Kan'u's older sister (as Kan'u already made a vow with Chouhi's as her older sister). Kan'u at first felt it was inappropriate as she is older than she is but by the beginning of the third season, she willingly calls Ryuubi her aneue (older sister).

Sengoku†Koihime X[]

She makes an off-screen cameo speaking to Kazuto about Kensuke.



A fierce defender of the weak, she has a strong sense of honor and justice. However, those traits, which make her a very reliable comrade during battle, also make her quite stubborn; the majority of the conflicts between her and Kazuto arise from the fact that her straight-laced nature conflicts too much against Kazuto's laidback attitude. She has a talent for boosting the morale of the people around her and has shown a tremendous amount of bravery on the battlefield. During peacetime, she dedicates herself to government affairs, sometimes becoming a workaholic. On occasions, this workaholic nature causes her to pressure others into working just as hard, such as scolding Kazuto for slacking off and making Chouhi study.
At the beginning of the first VN she displays a tough and serious front and refuses to be viewed as feminine. Eventually, Kazuto's affection reaches her, causing her to warm up and display a much sweeter and more delicate side. On many occasions she shows considerable jealousy when Kazuto interacts with other girls; and when she does she becomes extremely easy to read, even by Chouhi.
In the anime, her sense of justice was caused by a very bad past with bandits, who killed her family when she was just a child, including her brother who sacrificed himself to save her. Now, in addition to being a protector of the poor, she's got a bit of a sibling complex, and will fiercely defend her "sisters" Chouhi and (eventually) Ryuubi. It's also important to note that her anime version is significantly more feminine.


In the first VN, as mentioned earlier, she displays a tough and serious front and refuses to be viewed as feminine. In fact, when Kazuto called her a pretty girl during their first meeting, she took it as an insult. To her, being looked at as a woman shows weakness. And it goes without saying that she begins without much knowledge of sex.
Since she initially doesn't see herself as a woman, she doesn't care about being seen naked. When Kazuto accidentally walked in on her changing, she remained calm and unembarrassed. However, she does know what love is. As her relation with Kazuto grows, she starts to become more self-conscious about her feminine side and her growing feelings towards her master (she became embarrassed the second time Kazuto walked in on her). But at first she, refuses to acknowledge her feelings. Pretty soon, however, she comes out of her shell and falls in love with Kazuto. She loses her virginity right after confessing to him. Although she is against the idea of a harem and wishes to have Kazuto for herself, she realizes that it wouldn't be fair and honorable to monopolize him when everyone else loves him just as much, if not more.
As the story progresses, so does her knowledge of sex. Kan'u becomes more open about it, resulting in developments that would have been impossible for her earlier in the VN (such as pairing up with Chou'un and let Kazuto have a threesome). After being captured, Chouryou, a long-time admirer of Kan'u, joins Kazuto's harem. Under her aggressive and relentless advances, Kan'u finally gives in and the two develop a lesbian relationship. In the Shoku route of the second VN, she initially gives up on Kazuto so that Ryuubi can have him, but Ryuubi urges that they both have a relationship with him.
In the anime, it's revealed in the first episode that she's a virgin, as she told Chouhi that she hasn't done anything that would bring her a child. She gets disgusted quite a bit by perverted acts, and her male relationships don't usually work out. She does attract the eye of Sousou, and eventually goes to bed with her (although their little "love" scene is interrupted by an assassin who tries to take Sousou's life. Kan'u manages to saves her. But with the mood gone Sousou decides not to take Kan'u's virginity).

Skills and Abilities[]

Crescent Blade Mastery: Kan'u is the master of the crescent blade, which is her signature weapon (according to legend, Guan Yu invented the weapon, which is why it's more commonly called the guandao). Its curved, single-edged blade, combined with its overall heftiness, gives it devastating chopping and slashing power. As a secondary function it can also be effectively used to stab like a spear.

Her overall style of combat with her guan dao switches between fluid spear techniques and raw power depending on the occasion.

Swordsmanship: Kan'u is also a formidable martial artist in other bladed weapons, as she trains Kazuto in fighting with the sword. In the anime during one instance she fights through a crowd of bandits with a sword she picked up and her skills with a blade even transfer to cutting vegetables in the kitchen. However, in the VN, where she's first shown as a terrible cook, her clumsiness with the kitchen knife resulted in many cuts to her fingers.

Enhanced Physical Prowess: Renowned for her reputation as the God[dess] of War (a legendary title carried over from Guan Yu), her physical abilities are way above those of ordinary people. She has tremendous strength, speed, reflexes, and stamina. Wielding her massive guandao almost effortlessly, in battle she easily overpower enemy foot soldiers. Although very limited in the VN, the anime shows more of her physical feats. In the anime, she is shown being able to jump a considerable distance and height in one leap and felling a large tree in one clean cut. She is also very agile and quite acrobatic, being able to perform flips and other maneuvers in mid-air.

Leadership Skills: She is an excellent general and is able to command large troops proficiently.

Horsemanship: She is able to ride a horse and maintain control over her mount even amidst the chaos of battle.

High Intellect: She is very intelligent, displaying considerable wisdom and understanding of strategies in both battle and government affairs.

Skilled Orator: She is a great public speaker. Her skill in persuading others is shown mainly through her ability to raise the morale of her troops and recruiting civilian soldiers.

Weaknesses: []

  • Despite all her fighting prowess, she easily gets scared senseless by ghosts and such.
  • While she is well-versed in military strategies, she cannot come up with strategies on her own and has shown difficulty adjusting to sudden changes on the battlefield.
    • In addition, at time she lets her emotions get the better of her.
  • Her workaholic nature sometimes places her under stress.
  • She is a terrible cook, although she does improve with practice.
  • Although she tries hard to deny it, she has a notable softspot for cute things, especially Sekito, Shuutai's cats, and Ryofu's puppy face.
  • In the anime, she is known to fall victim to simple traps and pranks due to overestimating herself.


  • Two common recurring jokes about her in the anime:
    1. People who have heard the legend of the black-haired bandit fighter remark that the rumors describe her as the most beautiful woman, and because of this, did not think Kan'u was her.
    2. Some of the female characters mistakenly believe she and Chouhi are mother and daughter. This is carried out even further in Shin Koihime†Musou when Kousonsan mistakes Koumei as Kan'u's daughter as well.
  • In the anime, Chou'un once said that her lush black hair also applies to her pubic area. Although this was done as comic relief, it is neither proven nor disproven.
  • In the first VN it's revealed by Kazuto that, in games based on Romance of the Three Kingdoms, Kan'u as a playable character has a war rating of 99 and intelligence over 80.
  • Her birthday is April 11th.
  • She has a number of traits in common with Guan Yu inRomance of the Three Kingdoms despite being a female.
    • Her being know for her beautiful long hair is a reference to Guan Yu who is famously portrayed with a flowing black beard; Kazuto comments on this in the second VN.
    • Romance of the Three Kingdoms depicts Guan Yu in a green robe, thus his counterpart's overall green outfit in the VN.
    • They are both known for their loyalty and their fiery passion in helping those in need.
  • A running gag involves Kan'u frequently catches Kazuto skipping out on work and then punishing him.
  • In Shin Koihime†Musou LIVE Revolution she and Chouhi are the starting idol singers; they are joined later by Ryuubi.
  • Her outfit was available as a costume for ai sp@ce, the now-closed-down Japanese virtual 3D massively multiplayer online social game (MMOSG).
  • In the animated opening of Sengoku†Koihime: ~Otome Kenran ☆ Sengoku Emaki~, Ashikaga Kazuha Yoshiteru summon the weapons of various Koihime†Musou heroines as projectiles for her attack; among those is Kan'u's crescent blade.
  • Aisha took first place in a poll as the most popular character in Shoku.[1]