Go! Go! Yumiko-chan 99 #1 - Go! Go! Yumiko-chan 99

is a manga book published by Angel Publishing that was released on 08/17/1999

Plot Summary

Go! Go! Yumiko-chan 99 is an adult manga created by Henmaru Machino in 1999. It focuses on the sexually insatiable female character Yumiko and her daily perverted adventures.

ISBN-10: 4-87306-030-3
ISBN-13: 978-4873060309
Original price: 980 yen

Volume Breakdown


Story Chapters



1.「お徳用ちんぽ」

Romaji: ”O Tokuyou Chinpo”
Translation: "Value-packed penis"
First Appearance: n/a
Pages: 1
Contents: futanari [❷❸], monster cock, multiple male genitalia, multiple-shaft penis

Synopsis: Futanari Yumiko shows off her shaft, which just so happens to have five penises nestled together inside the foreskin.

2.「痴漢電車'99」

Romaji: ”Chikan Densha '99”
Translation: "Chikan Train '99"
First Appearance: n/a
Pages: 4
Contents: sweaty, panties, school uniform, groping, futanari [❹], monster cock 

Synopsis: Yumiko is groped by many men on the subway car. The groping quickly causes her clitoris to grow to an enormous size.

3.「ザ・取りはずしパパ♥」

Romaji: "Za Tori Hazushi Papa"
Translation: "The Detached Papa"
First Appearance: n/a
Pages: 4
Contents: masturbation (fingering), incest, fellatio, dildo, sweaty, hetero

Synopsis: Yumiko's father catches her masturbating in her room with her vibrator. He is outraged at what he sees, but quickly thinks of a solution. He then detaches his penis from his body and gives it to his daughter so that she may continue.

4.「タックルおじさん」

Romaji: "Takkuru Ojisan"
Translation: "Mr. Tackle"
First Appearance: n/a
Pages: 4
Contents: cross-dressing, panties, school uniform

Synopsis: Yumiko is rushing along the sidewalk when she bumps into "Mr. Tackle" who is wearing a football helment and shoulder pads, but no shirt. The impact knocks the girl to the ground, at which point Mr. Tackle rips off all of her school uniform and dresses himself in it. When Yumiko regains consciousness and notices what the man has done with her clothes, Mr. Tackle lives up to his name and knocks her out once more before heading off into the sunset.
 

5.「もくもくゆみこちゃん」

Romaji: "Mokumoku Yumiko-chan"
Translation: "Yumiko-chan's Clouds of Smoke"
First Appearance: n/a
Pages: 4
Contents: masturbation (fingering), sweaty, panties

Synopsis: Yumiko is masturbating heavily on the roof of a building until she notices smoke emitting from her vagina. She touches her private area and feels that it is now incredibly hot. She then quickly notices that the back of her skirt caught fire, prompting her to quickly disrobe. Luck shines upon her, however, when it begins to rain, quenching the fire at long last.

6.「ド根性ゆみこちゃん」

Romaji: "Do Konjou Yumiko-chan"
Translation: "Yumiko-chan's Gutsiness"
First Appearance: n/a
Pages: 1
Contents: sweaty

Synopsis: A fully nude Yumiko-chan, who is stuck on the front of a male's shirt, looks down wantonly at the erection in his pants as she samples her own vaginal secretions.

7.「ツルツルマン♥」

Romaji: "Tsurutsuru Man"
Translation: "Smooth Man"
First Appearance: n/a
Pages: 6
Contents: lustful drooling, gaping orifice (vagina), monster cock, sweaty, school uniform, vaginal sex, hetero

Synopsis: Yumiko is rushing along the sidewalk when she bumps into Tsurutsuru Man. He tears off all of her cloths and then vaginally penetrates her with his enormous penis.

8.「下校時間」

Romaji: "Gekouji Kan"
Translation: "Time to go home from school"
First Appearance: n/a
Pages: 6
Contents: wanton invitation, anal sex, squirting, sweaty, fellatio, vaginal sex, hetero

Synopsis: Yumiko is performing fellatio on a boy in a classroom before he vaginally penetrates her. She fellates him once more and then invites him to have anal sex with her. An awkward moment then occurs when the school janitor walks in on them.

9.「カタパルト兄」

Romaji: "Kataparuto Ani"
Translation: "Older Brother Catapult"
First Appearance: n/a
Pages: 6
Contents: incest, sweaty, monster cock, panties, hetero, vaginal sex

Synopsis: Yumiko wakes up in the morning, only to find that she has overslept. Her bottomless older brother, equipped with an enormous penis and testicles, enters her bedroom and rips off her clothes. He then vaginally penetrates her and, moments later, his ejaculation launches her out the window and onto the roof of the school.

10.「電球♥」

Romaji: "Denkyuu"
Translation: "Light Bulb"
First Appearance: n/a
Pages:  6
Contents: extreme insertion, masturbation (fingering), sweaty

Synopsis: Yumiko masturbates as she walks down the street, unsure at how she can get sexual relief.  After quickly tearing off her clothes, a light bulb appears above Yumiko's head. She then grabs the bulb and uses it to masturbate once more. After tossing it aside, another much, much larger light bulb appears above her, which she also uses to penetrate her vagina. However, after accidentally falling backwards, the bulb shatters inside her body and she is taken away in an ambulence.

11.「ペロペロゆみこちゃん♥」

Romaji: "Peropero Yumiko-chan"
Translation: "Slurp Yumiko"
First Appearance: n/a
Pages: 6
Contents: bukkake, futanari [❷❸], lustful drooling, fellatio, sweaty, hetero, school uniform

Synopsis: The story begins with Yumiko performing fellatio on a man. Shortly after, she does the same for a large group of men which leads to bukkake. Finally, back at home, Yumiko discovers that all of the semen that she's received has transformed her into a futanari, and she tries hard to perform fellatio on herself.

12.「どくどくゆみこちゃん」

Romaji: "Dokudoku Yumiko-chan"
Translation: "Gushing Yumiko-chan"
First Appearance: n/a
Pages: 6
Contents: cunnilingus, fellatio, lustful drooling, extreme insertion, hetero, panties, school uniform

Synopsis: The story begins with Yumiko performing fellatio on a boy sitting on a desk inside of a classroom. She then pulls down her panties and requests that he perform cunnilingus. The boy does so, but exhausts himself before Yumiko is able to climax. A teacher then steps into the room to continue where the boy left off, but the same result happens. The story ends inside of a locker room, where Yumiko has exhausted the entire school softball team and is masturbating with a baseball bat in her vagina and a baseball inserted into her anus.

13.「北風と太陽」

Romaji: "Kitakaze to Taiyou"
Translation: "The North Wind and the Sun"
First Appearance: n/a
Pages: 8
Contents: sweaty, school uniform, hetero, vaginal sex

Synopsis: The North Wind and the Sun are having a confrontation when they spot Yumiko walking on the sidewalk down below. The sun increases it's rays in order to make the girl very hot. Angered by this, the North Wind blows hard, lifting up Yumiko's skirt. Suddenly, a man with the word 「おなにい」 (onanii) printed across his shirt shows up, tears off Yumiko's clothes and begins having sex with her, much to the Sun and North Wind's delight.

14.「カーマン」

Romaji: "Kaaman"
Translation: "Car Man"
First Appearance: n/a
Pages: 8
Contents: breast sucking, anal fingering, fellatio, lustful drooling, school uniform, hetero, vaginal sex

Synopsis: Yumiko is rushing along the sidewalk when she bumps into a naked man wearing goggles who has wheels for both arms and legs. Yumiko strips out of her uniform and begins having vaginal sex with Car-Man and then following up with fellatio.

15.「散歩♥」

Romaji: "Sanpo"
Translation: "A Stroll"
First Appearance: n/a
Pages: 4
Contents: extreme insertion, masturbation (fingers), dildo

Synopsis: The story begins with Yumiko masturbating with a dildo inside of her bedroom. She quickly finds, however, that she requires a large number of simultaneous insertions, including a baseball bat and a giant carrot, in order to finish the job.

16.「エロサンタ」

Romaji: "Ero Santa"
Translation: "Erotic Santa"
First Appearance: n/a
Pages: 12
Contents: double penetration (1 anal, 1 vaginal), anal sex, cunnilingus, fellatio, masturbation (fingers), lustful drooling, sweaty, hetero, vaginal sex

Synopsis: Yumiko is masturbating in her bed when Santa Claus enters through her window; bringing with him his two naked, half-man/half-reindeer. Yumiko fellates one of the reindeer-men while the other performs cunnilingus on her, all while Santa perversely watches. The two then double-penetrate the girl, causing Santa's erection to swell so mightily that he quickly disrobes and enters the girl himself. When Yumiko finally awakes on Christmas morning, she is delighted to see the naked Santa still sleeping in her bed.


17.「うさぎのおじさん♥」

Romaji: "Usagino Ojisan"
Translation: "Uncle Rabbit"
First Appearance: n/a
Pages: 8
Contents: extreme insertion, anal sex, fellatio, masturbation, lustful drooling, dildo, hetero

Synopsis: Yumiko is masturbating with a dildo in her bed when Uncle Rabbit, an old man wearing glasses and a bunny costume, enters through her window. She is immensely excited to see his erection beneath his suit, only to discover that his penis is shaped like a carrot. Yumiko fellates Uncle Rabbit while he stimulates her vagina with the dildo, followed by multiple carrot insertions. The man then has anal sex with her before departing.

18.「ヌルヌルゆみこちゃん」

Romaji: "Nurunuru Yumiko-chan"
Translation: "Slimy Yumiko-chan"
First Appearance: n/a
Pages: 6
Contents: masturbation (fingers), panties, school uniform

Synopsis: A story about Yumiko masturbating in her bath tub which concludes with the tub being completely filled up with her vaginal ejaculate.

19.「土筆♥」

Romaji: "Tsukushi"
Translation: "Scouring Rush"
First Appearance: n/a
Pages: 4
Contents: sweaty, school uniform, vaginal sex

Synopsis: Yumiko is rushing along the sidewalk when she bumps into a Scouring Rush growing out of the ground. After taking a quick glance to see if anyone is watching, she then tears off all of her clothes and lowers her vagina down onto the plant. After climaxing, Yumiko returns home. The next morning, she is both surprised and delighted to see that three new Scouring Rush have sprouted from her vagina.

20.「春が来た♥」

Romaji: "Haru ga Kita"
Translation: "Spring Has Come"
First Appearance: n/a
Pages: 4
Contents: yuri, kissing, anal sex, double penetration (1 anal, 1 vaginal), lustful drooling, school uniform, vaginal sex

Synopsis: A young girl is rushing along the sidewalk when she bumps into Yumiko, who still has the three Scouring Rush growing out of her vagina from the previous story; a sight which the former girl is delighted to see. The two females quickly disrobe and Yumiko use her plant to double-penetrate the girl. After climaxing, the two are again elated to find that the new girl now has three Scouring Rush growing from her own vagina, as well as two more from her anus.

21.「つるつるゆみこちゃん」

Romaji: "Tsurutsuru Yumiko-chan"
Translation: "Slippery Yumiko-chan"
First Appearance: n/a
Pages: 6
Contents: fellatio, panties, hetero

Synopsis: A young man is rushing along the sidewalk when he bumps into Yumiko. Immediately upon seeing her panties, the man gets an erection. The girl takes his penis and begins to fellate him. However, when he cannot hold back any longer and pulls down her panties, he sees that she does not have a vagina, and is left to sulk in the street.

22.「ジェットゆみこちゃん♥」

Romaji: "Jietto Yumiko-chan"
Translation: "Jet Yumiko-chan"
First Appearance: n/a
Pages: 8
Contents: wanton invitation, sweaty, anal sex, school uniform, vaginal sex

Synopsis: Yumiko is rushing along the sidewalk when she pauses to push some buttons on her wristwatch. At that moment, a large aircraft flies through the sky towards her direction. Relieved, Yumiko tears off all of her clothes and bends over for the jet to take aim. Two dildos attached to the aircraft directly penetrate Yumiko's vagina and anus and two metal panels close in around her breasts to secure her. Yumiko then blasts off through the sky in her jet-suit, but when she realizes that she is too late to make it to school on time, she presses a button on her wristwatch once again. A laser cannon attached to the jet then takes aim and fires at the school, destroying it entirely.

23.「熱男」

Romaji: "Netsu Otoko"
Translation: "Heat Man"
First Appearance: n/a
Pages: 6
Contents: hetero, vaginal sex

Synopsis: Yumiko is rushing along the sidewalk in a downpour of rain when she bumps into Heat Man, who is wearing a speedo. The girl then tears off all of her clothes and has vaginal sex with him. However, when her body gets too hot, she has him pull out. Yumiko is then shocked to see that his ejaculate was able to melt a nearby wall.

24.「どきどきゆみこちゃん」

Romaji: "Dokidoki Yumiko-chan"
Translation: "Throbbing Yumiko-chan"
First Appearance: n/a
Pages: 6
Contents: gangbang, exhibitionism, bukkake, double penetration (1 anal, 1 vaginal), squirting, sweaty

Synopsis: Yumiko's clitoris and nipples become large as she gets aroused. She walks down the sidewalk wearing a blindfold with her hands bound behind her back which soon leads her to being gang-banged and bukkakied.

25.「どきどきゆみこちゃん2♥」

Romaji: "Dokidoki Yumiko-chan 2"
Translation: "Throbbing Yumiko-chan 2"
First Appearance: n/a
Pages: 8
Contents: fisting (self, vaginal and anal), gangbang, exhibitionism, bukkake, fellatio, anal sex, double penetration (1 anal, 1 vaginal), lustful drooling, hetero, vaginal sex

Synopsis: Yumiko is waiting naked behind a building at night when two male perverts walk by. Upon spotting her, they immediately double penetrate her. One of the perverts then presses a button on a small remote control and within moments, an enormous crowd of men come rushing to the scene to gangbang and then bukkake Yumiko, to both her amazement and delight. Then, to finish things off, the penises of all the men become tentacle-like and penetrate her all at once. Yumiko then walks back home; fisting both of her lower orifices at once and feeling very satisfied.

26.「バツ♥」

Romaji: "Batsu"
Translation: "Butts"
First Appearance: n/a
Pages: 8
Contents: gangbang, exhibitionism, bukkake, fellatio, anal sex, double penetration (1 anal, 1 vaginal), panties, school uniform, hetero, vaginal sex

Synopsis: Yumiko is rushing along the sidewalk as usual. When she finally arrives at school, the teacher confronts her. She is then groped and gangbanged by her fellow students, and then forced to walk home naked with her hands tied behind her back.

27.「ザ・エロ水着♥」

Romaji: "The Ero Mizugi"
Translation: "The Erotic Swimsuit"
First Appearance: n/a
Pages:
Contents: bikini, masturbation (male)

Synopsis: Yumiko is rushing along the sidewalk when she finds herself splashed with water. Nearby, she spots a microkini and decides to change into it. Within moments, several guys gather around her and begin shedding their clothes. They then pull off Yumiko's swimsuit, but just as she braces for the forthcoming rape, the men all ejaculate from the sight of her and take off.

28.(untitled)

Romaji: 
Translation:
First Appearance: n/a
Pages: 6
Contents: robot girl, pubic hair, futanari, masturbation (male), cross-dressing, monster cock, extreme insertions,

Synopsis: Yumiko is rushing along the sidewalk and bumps into sixty-seven unique groups of sex partners, consisting of:

「ハメ太郎♥」 (Hame Tarou ♥)
「ザ・マンコ拡張マン」 (Za Manko Kakuchou Man)
「まねっこおじさん」 (Manekko Ojisan)
「ちんぽ13」 (Chinpo 13)
「?マン♥」 (? Man ♥)
「ブルブルおじさん」 (Buruburu Ojisan)
「ビッグローター♥」 (Biggu Rootaa ♥)
「超ド級変態性欲番長」 (Chou do Kyuu Hentai Seiyoku Banchou)
「セックス名人」 (Sekkusu Meijin)
「一発百ガロンの男」 (Ippatsu Hyaku Garon no Otoko)
「スペルマスタンド」 (Superuma Sutando)
「チン道」 (Chin Michi)
「スーパー仮面」 (Suupaa Kamen)
「小さな小さな巨人ミクロンマン」 (Chiisa na Chiisa na Kyojin Mikuronman)
「バラバラおじさん」 (Barabara Ojisan)
「月刊ワレメファン♥」 (Gekkan Waremefan ♥)
「気狂いピエロ♥」 (Ki Kurui Piero ♥)
「陰茎姉妹♥」 (Inkei Shimai ♥)
「殺スマン登場」 (Satsu Suman Toujou)
「Mr.ゆみこちゃん(そっくりさん)」 (Mr. Yumiko-chan (Sokkurisan))
「おさわり課長」 (Osawari Kachou)
「ザ・ヒーローマン♥」 (Za Hiirooman ♥)
「エレガントリオ♥」 (Ereganto Rio ♥)
「スペルマ超特急!!」 (Superuma Choutokkyuu!!)
「クンニ部長」 (Kunni Buchou)
「ゴリラ戦隊5リラファイブ」 (Gorira Sentai 5 Rirafaibu)
「十人兄弟」 (Juunin Kyoudai)
「ミニミニおじさん」 (Minimini Ojisan)
「超足長おじさん♥」 (Chou Ashinaga Ojisan ♥)
「リビドー中学生♥」 (Ribidoo Chuugakusei ♥)
「しごけまん♥」 (Shigoke Man ♥)
「極太ソーセージいかがですか?」 (Gokubuto Sooseeji Ikagadesuka?)
「巨根BOY♥」 (Kyokon BOY♥)
「メカゆみこちゃん♥」 (Meka Yumiko-chan ♥)
「鬼乳首」 (Oni Chikubi)
「GOGOおじさん♥」 (GOGO Ojisan ♥)
「射精いたしま~す♥」 (Shasei Itashima ~ Su ♥)
「チンポガイド」 (Chinpo Gaido)
「兎にも角にもハメルンジャー!!」 (Usagi Nimo Kaku Nimo Hamerunjaa!!)
「20人ズ」 (20 Nin Zu)
「ご・ん・ぶ・と♥」 (Go-n-bu-to ♥)
「棒マン」 (Bou Man)
「兄三世」 (Ani Sansei)
「行き止まり♥」 (Ikidomari ♥)
「ザ・ーメン」 (Za Men)
「うっ仮面♥」 (Utsu Kamen ♥)
「ペロペロモンスター」 (Peropero Monsutaa)
「甘噛み太郎」 (Kan Kami Tarou)
「ペニスタイガー」 (Penisu Taigaa)
「ボッキ戦士エレクトマン!!」 (Bokki Senshi Erekutoman!!)
「ハメ忍者見参」 (Hame Ninja Kenzan)
「パイズレ専務♥」 (Paizure Senmu ♥)
「金玉汁ドピュ夫」 (Kin Tama Shiru Dopyu Otto)
「ピストン野郎!!」 (Pisuton Yarou!!)
「陰核ちゅーちゅー」 (Inkaku Chuu Chuu)
「勇者デカチン」 (Yuusha Dekachin)
「男ビーム発射装置」 (Otoko Biimu Hassha Souchi)
「○○○○」
「イボイボ性器さん♥」 (Iboibo Seiki San ♥)
「マン汁中毒患者」 (Man Shiru Chuudoku Kanja)
「ケツ汁中毒患者」 (Ketsu Shiru Chuudoku Kanja )
「性器丸出し小隊」 (Seiki Marudashi Shoutai)
「マジカルちんこ♥」 (Majikaru Chinko ♥)
「男根汁が出すぎて困っている男」 (Dankon Shiru ga Dasu Gite Komatte Iru Otoko)
「超高速運動体♥」 (Choukousoku Undoutai ♥)
「出歯亀社長♥」 (Shutsu ha Kame Shachou ♥)
「千九百九十九兄弟♥」 (Sen Kyuu Hyaku Tsukumo Kyoudai ♥)

29.「GOGOゆみこちゃん♥」

Romaji: "GoGo Yumiko-chan!"
Translation: "GoGo Yumiko-chan!"
First Appearance: n/a
Pages: 8
Contents: nipple tweak, masturbation (fingers), fellatio, anal sex, large nipples, hetero, vaginal sex

Synopsis: Yumiko wakes up in the middle of the street, naked and covered in fluids. Still ever aroused, she begins masturbating and pinching her nipples. She fantasizes herself installed as a urinal, with her arms and legs attached back into the wall, to help the process along. Still horny, she rushes off and bumps into an old man, who then has sex in all three of her orifices. The man ejaculates all over Yumiko's body and the girl thanks him and runs off.

30.「大魔王ふたたび♥」

Romaji: "Daimaou Futatabi"
Translation: "Satan Again"
First Appearance: n/a
Pages: 1

Synopsis: Yumiko is rushing along the sidewalk, naked and covered in fluids, when out from nowhere, Satan flies from the sky in an attempt to attack her. He misses, however, and gets stuck in the concrete below.

31.「その後のゆみこちゃん♥」

Romaji: "Sono Nochino Yumiko-chan"
Translation: "Yumiko-chan Afterwards"
First Appearance: n/a
Pages: 2
Contents: pierced nipples, big boobs, pierced clitoris, large nipples, bukkake

Synopsis: A naked Yumiko is installed into the wall of a men's bathroom like a urinal and being ejaculated on. She then tries on a T-shirt with a giant penis and testicles on the front.

32.「お徳用ちんぽ2」

Romaji: ”O Tokuyou Chinpo”
Translation: "Value-packed penis"
First Appearance: n/a
Pages: 1
Contents: futanari [❷❸], monster cock, multiple male genitalia, multi-shaft penis

Synopsis: A continuation from chapter 1, futanari Yumiko now has a large number of foreskins which house multiple penises.

Cover illustration:

futanari [❷❸], multiple male genitalia, dildo, school uniform, multi-nipple breasts, large nipples, multiple insertions

LEGEND


Futanari types:
❶ - Female to futanari transformation.
❷ - Futanari character has no testicles.
❸ - Futanari character's penis grows from her pubic mound.
❹ - Futanari character's penis is her giant clit.

Manga total page count: 180

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Henmaru Machino artist,

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