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Bachou Mouki  ( () (ちょう) 孟起 (もうき)? Ma Chao - Mengqi), also known as Sui  ( (すい)?), is a general of Shoku and one of the many heroines in the Koihime†Musou series. She's Bakyuu and Batetsu's older sister, and Batai's cousin. She also served a general of the Hongou faction in the original Koihime†Musou.



She first appears fighting in the anti-Toutaku war with her father Batou and departs once the war is over. Sometimes afterwards, Sousou takes over Batou's territory in Ryoushuu, which results in Batou's death. Homeless and fatherless, Bachou presents herself to Kazuto, requesting to join his army so that one day she can have her revenge against Sousou. However she gets better emotionally later on, eventually coming to peace with herself and forgives Sousou.
  • Act Debut: 3(4 permanent route)
  • Scenes of interaction: 10

Shin Koihime†Musou[]

Shoku Route[]

Gi Route[]

She is sent to represent Batou in the anti-Toutaku conference. After Sousou invades Ryoushuu and forces Batou to commit suicide, she joins Shoku faction hoping for revenge.

Go Route[]


Shin Koihime † Eiyuutan []

 Shin Koihime † Musou -Kakumei-[]

Souten no Haou[]

Son Go no Kechimyaku[]

Ryuuki no Taibou []

Anime version[]

The daughter of the late Batou who was supposedly killed by Sousou. Although she is a tomboy in her speech and manners, she is really a simple, straight-forward, and easily embarrassed girl. She wields a cross yari and is very strong in both power and form. The third person to join the group, she quickly becomes close friends with Chouhi.

Sengoku†Koihime X[]

She appears in Kensuke's memories.



Somewhat tomboyish (nowhere near Gien's level), Bachou usually acts cool and laid-back. However, she's very sensitive about topics regarding love; similar to Kan'u, she suffers from a complex where she lack confidence in her own appeals as a woman. This results in her having little to no tolerance towards anything perverted. Kazuto takes advantage of this and often teases her by putting her in embarrassing and sometimes perverted situations, during which she become greatly flustered to the point of not being able to talk without stuttering heavily. Sometimes the pranks get overboard and she becomes a tsundere, calling Kazuto "baka" with a lot of hitting. Outside Kazuto's teasing she also gets embarrassed easily when presented to more feminine topics or when given compliments regarding her sex appeal.
Though not as simple-minded and naive as Chouhi, Bachou certainly won't rank top among the girls in terms of intelligence. She is headstrong, and tend to rely on brute force in dealing with problems. This is a fact which herself acknowledges, and she prefers physical work over anything that involves mental effort. However this doesn't stop her from being a valuable member of the group; she is fiercely loyal to her friends and her duties.


Due to her complex, it was difficult at first for Kazuto to get a relationship started with her. As a result, Kazuto's advances towards her is somewhat more forceful, with much coercing and teasing. Despite denying it many times, it's very obvious that she is deeply in love with Kazuto. 

Skills and Abilities[]

Spearsmanship: Having trained from a young age, Bachou is very proficient with her jumonji yari, which is well-designed for both slashing and stabbing. In the anime, Bachou is shown to be able to easily hold her own against Chouhi despite the latter being known her exceptional strength in the use of her spear.

Enhanced Physical Prowess: Her strength, speed, reflexes, and stamina are beyond ordinary soldiers. On the battlefield her spear technique is further augmented by her strength and quickness. Together with Chouhi it's very common to see the sky being filled with enemy soldiers who are unfortunate enough to get hit by their blows.

Leadership Skills: She is a capable general, her bravery and heroics play a major role in leading her cavalry forces.

Horsemanship: She is arguably the best horse-rider in the series. Ryoushuu is famous for its cavalry units and her family is closely affiliated with horses.

Insight: In the anime she is able to read the aura of her opponents. By doing so, she can measure their strength and honesty.


  • She doesn't always think things through and tend to jump to conclusions.
  • She ranks low in intelligence and has trouble dealing with complex matters; she lacks foresight and planning.
  • Somewhat headstrong, she can be stubborn at times.
  • She suffers from a mild case of urinary incontinence.


  • Bachou means "horse" (馬) (ma/ba) and "super, hyper" (超) (chou).
  • Mouki means "chief, beginning" (孟) (mou) and "rouse, wake up, get up" (起) (ki).


  • Her eyebrows gets slightly thicker in the second VN.
  • Her tomboy personality and short skirt combo suggests gap-moe.
  • Her weapon was originally planned to be a naginata; however it was changed to a cross yari because a naginata would be too similar to Kan'u's guandao. 
  • In the first VN, her ougi is the second most powerful in terms of damaging ability.
  • In the anime version, she is drawn with thinner eyebrows versus her VN counterpart, although they are still somewhat thicker than most of the female cast.
  • In the anime she is a very heavy sleeper.
  • In the visual novel (and manga) only, when in combat situations, she wears a headband.
  • Her animal motif is horses, she excels in horsemanship and is very fond of them; furthermore her family name literally means "horse".
    • She personally owns 3, named Ouhou, Shien, and Kirin.
  • She gets her own ending in the PS2 version of Koihime†Musou.
  • In both the VN and anime, there are multiple occasions where she really had to go to the bathroom but is prevented from doing so one way or another.
  • She is one of the 4 characters in the series known for having a large apetite; the other 3 are ChouhiRyofu, and Kyocho.
  • In the anime, it's revealed that she has a special training regimen, which she claims to be the standard practice for her family's martial art style. The training routines include, but are not limited to:
    • Warm up routines:
      • Bunnyhopping with a heavy weight tied to the waist.
      • Fast inverted situps while hanging from a tree.
      • Swinging a log.
      • Pushups with someone sitting on the back.
    • Training routines:
      • Tying oneself to a tree, then jumping into a raging whirlpool (for building resistance to all kinds of movement).
      • Hand walking around the crater of a volcano.
      • Using a large stick to hit arrows fired by Kouchuu (for improving the ability to track fast-moving projectiles).
  • In Shin Koihime†Musou LIVE Revolution she plays the bass.
  • 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 Bachou's jumonji yari.