Keijo (manga)

Keijo!!!!!!!! (競女!!!!!!!!), also known as Hip Whip Girl, is a Japanese sports manga series written and illustrated by Daichi Sorayomi. It was serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday from July 2013 to April 2017, with the chapters collected for 18 tankōbon volumes. It follows a gymnast who wishes to earn a fortune by participating in a fictional women-only contact sport, where players use only breasts and buttocks to tackle opponents. An anime television series adaptation produced by Xebec aired from October to December 2016.

Plot
The series is set in an alternate reality, where the women-only gambling sport becomes a fad in Japan. The match is held atop floating platforms, known as "Land" in a swimming pool stadium. The players fight to defeat their opponents by pushing them into the water using their breasts or buttocks. Nozomi Kaminashi was raised in a poor family. She participates in the sport after graduating high school, and finds success without difficulty.

Characters

 * Nozomi Kaminashi (神無 のぞみ)
 * A cheerful and energetic girl wishing to become the richest player. When she was an athlete, she moves around the Land. Her fighting type is Infighter. Her signature attack is the Vacuum Butt Cannon, which sends anyone or anything far. She is sometimes a troublemaker and occasionally gets stuck in tough cases. She has a strong hunch when using her head in her butt, and figures out whose special talent is. Despite her loss, she learns all she can at school. She has a long dark blue hair tied with a white ribbon in the back and dark blue eyes.
 * A cheerful and energetic girl wishing to become the richest player. When she was an athlete, she moves around the Land. Her fighting type is Infighter. Her signature attack is the Vacuum Butt Cannon, which sends anyone or anything far. She is sometimes a troublemaker and occasionally gets stuck in tough cases. She has a strong hunch when using her head in her butt, and figures out whose special talent is. Despite her loss, she learns all she can at school. She has a long dark blue hair tied with a white ribbon in the back and dark blue eyes.


 * Sayaka Miyata (宮田 さやか)
 * Nozomi's best friend and former judo champion. She is considered among the most promising new recruits and is the fastest player. Her fighting type is Outfighter. Even though she is not fazed by her classmate's antics, except Nozomi, she has a caring friend to her roommates and solves the problem with her friends. She has short white hair, a blue ribbon and dark blue eyes. Her father disapproves her moving on from judo, but he accepts it when the audiences encourage Sayaka to adapt her move.
 * Nozomi's best friend and former judo champion. She is considered among the most promising new recruits and is the fastest player. Her fighting type is Outfighter. Even though she is not fazed by her classmate's antics, except Nozomi, she has a caring friend to her roommates and solves the problem with her friends. She has short white hair, a blue ribbon and dark blue eyes. Her father disapproves her moving on from judo, but he accepts it when the audiences encourage Sayaka to adapt her move.


 * Kazane Aoba (青葉 風音)
 * A resident of Hiroshima. She is shy due to being self-conscious of her dialect. Her ponytail moves in reaction, when she is addressed or feeling emotional. Her right hand is sensitive and can copy her opponents' abilities by feeling up their butts, an ability she calls Scanning Hand. In addition, she is a great strategist and used special abilities from her friends as the situation demands in the East West War. She reads the magazine. Her fighting style is Counter. She has a brown ponytail and eyes.
 * A resident of Hiroshima. She is shy due to being self-conscious of her dialect. Her ponytail moves in reaction, when she is addressed or feeling emotional. Her right hand is sensitive and can copy her opponents' abilities by feeling up their butts, an ability she calls Scanning Hand. In addition, she is a great strategist and used special abilities from her friends as the situation demands in the East West War. She reads the magazine. Her fighting style is Counter. She has a brown ponytail and eyes.


 * Non Toyoguchi (豊口 のん)
 * A countryside village girl wishing to gain popularity. She can revitalize her village by lacking the population. She has the softest buttocks and breast, absorbing attacks and reflecting them back. She is clumsy, but she is be absent-minded and goes into any comical situations. Not to mention she has an unusual accent along with Kazane which is why Nozomi misunderstands her.
 * A countryside village girl wishing to gain popularity. She can revitalize her village by lacking the population. She has the softest buttocks and breast, absorbing attacks and reflecting them back. She is clumsy, but she is be absent-minded and goes into any comical situations. Not to mention she has an unusual accent along with Kazane which is why Nozomi misunderstands her.


 * Hanabi Kawai (河合 花火)
 * An Elite Class Rank 3. She is a sports prodigy ever since she was a child and because of this, she makes friends after joining keijo. She has a happy-go-lucky attitude when playing on the Land. Her attack strategy is to strike her opponent's jaw which causes a shock to their brain that knocks them out. Her attack style is Infighter. She has short light purple hair and eyes.
 * An Elite Class Rank 3. She is a sports prodigy ever since she was a child and because of this, she makes friends after joining keijo. She has a happy-go-lucky attitude when playing on the Land. Her attack strategy is to strike her opponent's jaw which causes a shock to their brain that knocks them out. Her attack style is Infighter. She has short light purple hair and eyes.


 * Mio Kusakai (日下生 美桜)
 * An Elite Class Rank 1 and a lesbian player. She is a playful girl with a great interest in Nozomi. Her technique, Breast Hypnosis, moves like a pendulum to immobilize her opponents. It was later banned from school. Her fighting style is Infighter. She has long blonde hair and light blue eyes.
 * An Elite Class Rank 1 and a lesbian player. She is a playful girl with a great interest in Nozomi. Her technique, Breast Hypnosis, moves like a pendulum to immobilize her opponents. It was later banned from school. Her fighting style is Infighter. She has long blonde hair and light blue eyes.


 * Rin Rokudō (六堂 鈴)
 * An Elite Class Rank 2. She initially claims the title in Western Japan which sparks a rivalry between her and Sayaka. A former swimmer, she has a greater lung capacity to hold her breath and move at high speed longer. Her favorite technique is the Butt Gattling. Whenever she participates in keijo, her hair stands up in a form of cat ears. In addition to small frame and cat hairstyle expression, her nickname is "Rinrin". Her fighting style is Outfighter. She has blue short hair and blue eyes.
 * An Elite Class Rank 2. She initially claims the title in Western Japan which sparks a rivalry between her and Sayaka. A former swimmer, she has a greater lung capacity to hold her breath and move at high speed longer. Her favorite technique is the Butt Gattling. Whenever she participates in keijo, her hair stands up in a form of cat ears. In addition to small frame and cat hairstyle expression, her nickname is "Rinrin". Her fighting style is Outfighter. She has blue short hair and blue eyes.


 * Yuko Ōshima (大島 優子)
 * The main teacher in the West. She gives out tasks for the girls that are related to keijo. Like hip toss with the beach ball and giving morning exercise. She has amazing speed as a test in the second episode knocking four students off the land. She has long blue hair and blue eyes.
 * The main teacher in the West. She gives out tasks for the girls that are related to keijo. Like hip toss with the beach ball and giving morning exercise. She has amazing speed as a test in the second episode knocking four students off the land. She has long blue hair and blue eyes.


 * Nagisa Ujibe (氏部 凪)
 * One of the first keijo players and prize queens known as the Alluring Siren in the past. In the present day, she is Nozomi's teacher. She was the first to recognize her Vacuum Butt Cannon move and knows the danger of the attack as she once used it herself. She owns the UTMs which she gives to Nozomi before giving to her elite class in preparation for the East West War. She has a rivalry with the keijo training school's head teacher in East. She has orange hair and eyes and has a high weight compared to the one she had when she was a teenager.
 * One of the first keijo players and prize queens known as the Alluring Siren in the past. In the present day, she is Nozomi's teacher. She was the first to recognize her Vacuum Butt Cannon move and knows the danger of the attack as she once used it herself. She owns the UTMs which she gives to Nozomi before giving to her elite class in preparation for the East West War. She has a rivalry with the keijo training school's head teacher in East. She has orange hair and eyes and has a high weight compared to the one she had when she was a teenager.


 * Miku Kobayakawa (小早川 未来)
 * One of the other teachers in the West. Although she looks blind, she is a good teacher. She has long blonde hair and an unknown eye colour.
 * One of the other teachers in the West. Although she looks blind, she is a good teacher. She has long blonde hair and an unknown eye colour.


 * Kotone Fujisaki (藤崎 琴音)
 * An Elite Class Rank 4. She comes from a family of players and is naturally gifted for sports. However, she sees it as nothing more than work, until participating in keijo for the first time. She attacks, while her back is turned and uses the vibrations on the Land to detect and predict their movements without looking. Her buttocks release an aura in the form of a dog and her buttocks appear to home in on her target as though she were moving on auto-pilot. She hears homosexual stories on a headset and imagines about it, which makes it appear uninterested to her opponents. Her fighting style is Infighter. She has short blue hair and blue eyes.
 * An Elite Class Rank 4. She comes from a family of players and is naturally gifted for sports. However, she sees it as nothing more than work, until participating in keijo for the first time. She attacks, while her back is turned and uses the vibrations on the Land to detect and predict their movements without looking. Her buttocks release an aura in the form of a dog and her buttocks appear to home in on her target as though she were moving on auto-pilot. She hears homosexual stories on a headset and imagines about it, which makes it appear uninterested to her opponents. Her fighting style is Infighter. She has short blue hair and blue eyes.

Manga
Keijo!!!!!!!!, written and illustrated by Daichi Sorayomi, was serialized in Shogakukan's magazine Weekly Shōnen Sunday from July 24, 2013, to April 26, 2017. Shogakukan collected the chapters in eighteen tankōbon volumes, released from November 18, 2013, to July 18, 2017.

Anime
An anime television series adaptation was announced in February 2016. The video game Dead or Alive Xtreme 3 has a crossover promotion with Keijo!!!!!!!!, with in-game swimsuits based on the series. The anime was produced by Xebec. It was directed by Hideya Takahashi, written by Takao Kato, composed by Hayato Matsuo and the characters designed by Keiya Nakano. It aired from October 6 to December 22, 2016. The opening theme from episodes 1 to 11) "Dream X Scramble!" was performed by AiRI, while the ending theme "Fantas/Hip Girlfriends!" was performed by the show's original cast. The series was released across six Blu-ray and DVD home video release volumes, and each volume includes an original video animation.

The anime was streamed by Crunchyroll and Funimation, the latter of which streamed an English dub. Following Sony's acquisition of Crunchyroll, the English dub was moved to Crunchyroll. Medialink licensed the series in Asia-Pacific.

Reception
In November 2016, Crunchyroll revealed their most viewed anime shows of the season in the United States per state; the Keijo!!!!!!!! anime was the most popular in nine states, with only Yuri on Ice and Drifters being most viewed in more states. In 2017, fans in Portugal were in the planning stages for a defictionalized Keijo sport league. The rules of the defictionalized version were modified and protective gear for the breasts, rear, and thighs were added to make the sport "safer and more realistic". A proof of concept video showed a match in action and the league planned to scout for interested parties and venues for play.