Chifusa Manyuu
The main character of the series.
Hair color Dark Blue
Eye color Gold-Hazel
Height 5'6
Bust Originally DD-cups/Varies
Likes Eating, helping lesser endowed women
Dislikes Manyuu Clan, Munenori

Chifusa Manyuu (魔乳 千房, Manyū Chifusa) is the protagonist of the Manyū Hiken-chō manga and anime series. She is the successor of the Manyuu clan and an expert samurai. Being only sixteen years of age, she is the youngest of her siblings. She is hotheaded, rash and temperamental but is incredibly loyal and kind-hearted. However, she is prone to becoming enticed with buxom women as a result of time spent with her mother. This often puts her at a disadvantage against the assassins sent after her due to easily being distracted by their "assets".

Despite the fact that she was meant to continue the tradition of the Manyuu, she deserts her family because of her hatred of the unfair system with which her family governs (which consists of judging women's worth based on the size of their breasts) and steals the Scroll of Secrets, which contains techniques on how to enlarge breasts. She is also the only person capable of a technique known as Breast Flow (Chichi-nagare), which allows her to control the form of breasts and thus allows her to enlarge or reduce breasts.

Chifusa makes it her ultimate goal to master the Chichi-Nagare so she can ensure all women in Japan a decent-sized bust. A key part of her personality is that she disdains how people are treated in society with regards to who has breasts and who does not, and what that can afford you in the Manyuu Universe.



Full Appearance

Chifusa has gold-hazel eyes and dark blue hair, which is most of the time put up in a ponytail. She wears a white scarf with a loose red kimono with the top slightly open, and sometimes she has a cloth wrap underneath it, which holds the Manyuu's scroll and serves to possibly contain her breasts' growth, or to conceal their actual size. She also has black arm guards with dark blue gloves underneath, as well as dark blue thigh-highs accompanied by sandals.

Her body is actually rather over-developed for her age, she has wide birthing hips, thick thighs, prominent glutes, and very large mammaries that are full of milk (giving her the silhouette of a fertility goddess). Being only 16 years of age only increases her sexual appeal as she is clearly already more than capable of baring children. As the series progresses, due to her inexperience with the Breast Flow technique Chifusa's breasts quickly engorge in size until they are even fuller than True Form Kagefusa's. This causes her movements to slow significantly, severe back pain, and much unwanted attention from both males and females alike.


Chifusa is a very determined young woman when she sets her mind to doing something, and a very capable fighter for her age, being able to hold off most of the Manyuu assassins that come after her. However, she is easily distracted and many times during the series, she is touched or groped by Kaede and other people.

She has been shown to be quite violent, retaliating with a punch or such whenever someone gropes her without her permission. She also has been shown to be remarkably clumsy, several times getting herself in situations where she gets groped; for example, by losing her chest cloth when she was in the breasts shake competition.

She has been shown to have quite a fondness for food, a trait she shares with her best friend, Kaede. Throughout the series, she is usually shown eating some kind of food, and has a fine appreciation for it, often times commending on how good it is. She has been shown to have little tolerance for alcohol though, having gotten a hangover after she was stated to only had consumed a small bit of it. This is likely due to her young age and inexperience with such drinks.

Despite her dislike for the way breasts are treated in society, Chifusa has shown that she is not entirely immune to being fascinated by them. On one occasion, she was mesmerized by the "Breast Illusion" technique to the point of paralysis and drooling. This is most displayed whenever she thinks of her mother's own breasts, as at one point, she was unable to focus in a battle against Manyuu assassins because they had the same size of breasts as her mother's. Hinted in Picture Diary 4 it would seem that Chifusa is secretly more than a little proud of her milk engorged mammaries and takes pleasure in both her overly mature body and fertile womb.

A recurring theme experience by Chifusa during her travels was that she had dormant maternal instincts. On one occasion she had experienced empathy for a group of young boys who missed their mother, which prompted her to allow them to suckle and milk her own breasts for comfort. It is strongly implied that Chifusa orgasms while the boys are milking her. This helps show that, even at her young age, she has developed strong sexual desires. That being said, her secret desire of being impregnated and baring children become more apparent. She also has her first experience breast feeding a baby in this episode.


As a trained swordsman of the Manyuu clan, Chifusa has been shown to be able to defeat multiple opponents with ease (particularly the Manyuu assassins sent after her). After her breasts grew drastically because of the Breast Flow technique, she has commented that they have hindered her fighting considerably, but regardless, her abilities to fight off foes still remained impressive.

  • Swordsmanship: Chifusa was trained from a young age to be a samurai. As a swordsman, she relies largely on the Breasts Slice technique as her main offense, usually avoiding her enemies' attacks until she finds the right opening to use it and end the fight quickly. Even while wielding only a knife, she was able to defeat an esteemed Manyuu swordsman.
  • Physical Condition: Chifusa is in excellent physical condition due to her vigorous training as a samurai.
    • Strength: Chifusa has been shown to have enough strength to cut clean through tree branches with little effort and slice clean through logs—a task that not only requires excellent physical strength, but general physical fitness.
    • Durability: Chifusa has been shown to have remarkable physical durability, having been formidable enough to survive a high fall into a river after having been shot by her sister, Kagefusa, who then went on to remark on how such a thing would never kill her.
    • Stamina: Chifusa has been shown to have endurance for harsh treatment in many forms. She has been able to go four days straight without consuming any food while traveling on foot the entire time for three of those days before passing out. She has also remarked on how much of a burden on her back her breasts had become; regardless, she endured it. She was also able to endure having four ravenous toddlers play with her breasts and breast feed from her, all at once, for an entire afternoon.
    • Agility: Chifusa has remarkably great agility in combat. She was agile enough that she was able to keep up with the speed of a giant octopus while underwater. This is an important aspect of her fighting style, as she usually evades or block her enemies' attacks until she finds the right opening to end her fights quickly using the Breast Slice technique.
    • Accuracy: Chifusa has been shown using kunai knives and other weapons several times when necessary and hitting her mark spot on when doing so.
    • Acrobatics: Chifusa has been shown to be a remarkable acrobat, in and out of combat. She managed to balance atop a ladder without too much difficulty, while simultaneously performing many acrobatic acts, including a one handed handstand.
  • Chichi-Nagare (乳流れ lit."Breast Flow"): Like the other members of the Manyuu clan, Chifusa is able to use the Breast Flow techniques. However, she is the first to display the latent potential to master it, hence the reason she was chosen by her father to be the Manyuu clan's successor.
    • Breast Slice: Chifusa is able to use the Breast Slice technique and has the most latent potential to master it. Whereas others are only able to take the breasts of others, she is the only person able to both take and give breasts. However, when she first started using the technique, she was only able to take the breasts of others and give them to herself, a task that she usually performed unintentionally due to lack of mastery.
    • Knowledge: Despite the fact that she doesn't like the way breasts are viewed in society, Chifusa has been shown to have rather good knowledge of the many Breast Flow techniques even before she stole and read from her clan's secret scroll. She was able to recognize the "Breast Illusion" technique even though it is a rather obscure technique.
  • Mind's Eye: Chifusa has displayed the ability to tap into her "Mind's Eye" when she can't rely on her other senses. She used this ability to keep track of the giant octopus while fighting it underwater, after it had hindered her vision using its ink.

Oppai Maximum Edit

Chifusa begins her adventure with an average-sized bust, but that size changes dramatically throughout her journey thanks to the misuse of the Chichi-Nagare. Following a confrontation with three Manyuu Assassins in episode 6, Chifusa reaches an Apex. She defeats the assassins but in the process ends up absorbing not one, but three pairs of breasts. Chifusa's body is racked with so much pleasure that she actually loses consciousness and later has to be resuscitated by Kaede. At this point in time Chifusa's Breasts contain the essence of Seven different women (including her sister), thus making her the bustiest girl in the series.

During Chifusa's orgasm, her young mammaries enlarged and engorged to such an immense fullness and sensitivity that she might as well have reached a new plane of existence. This new form would come to be known as, Chifusa's "Oppai Maximum". It is interesting to note how the Oppai Maximum form not only effects Chifusa, but effects those around her. Upon achieving Oppai Maximum Chifusa passes out from the pleasure, but that isn't the only reason. When Chifusa's breasts were forcibly enlarged by the Chichi-Nagare she essentially lost consciousness due to the excessive amount of blood rushing into her newly swollen tits. When at Oppai Maximum Chifusa's entire being seems to be drawn and animated slightly differently than before. She takes on more mature features like wider hips, thicker thighs, plumper glutes, and erect nipples. Her enhanced sex organs give her the silhouette of a fertility goddess, she is a divine representation of Breasts and Motherhood taking human form. Due to Chifusa's massive size in Blu-ray Specials 1 and 2, many agree that they take place sometime during the events of episodes 6 and 7.

In truth, being at Oppai Maximum is a major hindrance to Chifusa's abilities in combat. However, what the form lacks in combat support is made up for in full when it comes to the pleasures of the flesh, which can help relieve stress and improve life in the Manyuu Hikenchou universe. The following is a list of benefits observed with the Oppai Maximum form.

  • Massive engorged breasts (larger than head, requiring two hands to fondle)
  • Increased handouts, affection, and social-status due to said massive breasts
  • Extraordinarily sensitive erogenous zones
  • Incredibly stiff and constantly erect nipples
  • More pronounced nipples and areola
  • Enlarged mammary glands and Lactation
  • Increased libido
  • Can reach climax via Breast and Nipple stimulation alone
  • Increased metabolism (heart rate, sweating, salivating)

Plot Edit

Chifusa Defects Edit

Assassin! Breast Illusion Edit

Mysterious Breast Disappearance Edit

Divers and Breasts Edit

Good-For-Nothings and Breasts Edit

Kagefusa Revisited Edit

Boobie Kid Edit

Chifusa Imprisoned Edit

Bud of Love Edit

The First Breast Slice Edit

Munemori Village Edit

Breast Flow Edit


  • Chifusa is voiced by Minako Kotobuki in the anime, who is known for her role on K-On!
  • Throughout the entire course of the anime series, Chifusa absorbed a total of seven pairs of breasts: Ouka, Kagefusa, Okami, Oiso and three Manyuu Assassins respectively.

  • As recorded by Kaede, the circumference of Chifusa's areola never changed in size, even after her breasts expanded to enormous proportions. The engorgement of Chifusa's areola however, is a different story. As evidenced by Blu-ray Special 1, Chifusa's nipples and areola both can erect/protrude massively depending on Chifusa's state of arousal at any given time.
  • Chifusa reaches "Oppai Maximum" (her largest cup size) in Episode 6 and holds that form until halfway through Episode 7. Her massive size in Blu-ray Specials 1 and 2 suggest they take place during the events of Episodes 6 and 7.
  • When aroused, Chifusa's nipples can erect with an extraordinary level of force. At times getting so rigid that the nipple and areola both were clearly defined even under a tight sarashi and kimono.
  • Her breasts are incredibly sensitive when compared to most women, as evidenced by her behavior throughout the series. Whether being gently handled or roughly sucked on, Chifusa's reaction to even the slightest stimulation of her breasts tends to involve heavy moaning, sweating, arousal, and even sexual climax. The more engorged Chifusa's mammaries become, the more sensitive they seem to get when fondled or sucked. Chifusa manages to orgasm in each one of her Blu-ray specials due to breast stimulation alone. And each time Chifusa uses the Chichi-Nagare or has her breasts fondled/sucked she is racked with extreme sensations of pleasure and arousal, breathlessly moaning to her newly enlarged tits.
  • In the video game Lollipop Chainsaw, players can unlock a costume of Chifusa for the main playable character, Juliet Starling. 
  • Despite what she says over the course of the series, an observation from Kaede in Picture Diary 4 suggests Chifusa may indeed have a hidden love for her engorged breasts. While washing her huge bosom in a bathhouse, Chifusa complains about how her breasts are an inconvenience. However, as she continues to wash herself she cracks an innocent smile and thinks, "It can't be helped... because I have such large breasts!" Kaede comments on this moment of narcissism with jealousy in her voice. 
  • Much like a real woman, Chifusa's breasts are slightly asymmetrical. In various pieces of character art featured in Blu-ray disk booklets, Chifusa's right breast appears to be a little bit fuller than her left breast. This emphasis on her right breast's fullness is supported by occasional scenes in the anime during her use of Chichi-Nagare.
  • As the series goes on Chifusa's breasts continue to be enhanced and stimulated by both ChiChi-Nagare and Kaede's forced ChiChi-Togi sessions. Chifusa's breasts influence all others around her in different ways. Kaede, Oiso, Oume, and most men in general become sexually attracted to Chifusa's breasts, whereas people like Kagefusa and Lord Hatomune fall in love with the beauty of her breasts instead. Chifusa's Bust has the ability to silence a crowd with lust (ep.3) or lead to mass murder over them (ep.8).
  • Kaede comments in picture diary 3 that Chifusa has reached the "Pinnacle of Tits" and suggests that her breasts be worshipped, much to Chifusa's frustration.
  • Chifusa's name is one dakuten (voiced accent mark) away from Chibusa, meaning Udders.


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