Month Challenge

Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?

Monthly Vitaman 2014-11

Honoka Challenge! 2

Monthly Vitaman 2013-11

Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen

Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章

Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?

[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)

Monthly Vitaman 2009-08

[deadflow] Ui (Kukagetsu) | Ui (Eight months pregnant) (Blue Aka-chan IN-bu) (Blue Archive) [Chinese] [Digital]

[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]

Kouiu Koyuki mo Dou desu ka?!

Utsuho Challenge!!

Space Detective Jade Dan Indecent Challenge

Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan

[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战！ [Chinese] [瑞树汉化组]

[The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan (Various) [Digital]

(Challenger! 29) [Udon no Hoshi (Saikyo Don)] Terasu Sekai de Uketomete -Zenpen- - The Catcher in the Tera world. (Pokémon Scarlet and Violet)

Happy Aphrodisiac Challenge

Futanari Milk Challenge 2 | 扶她榨乳挑战2

[Jyoka] Igyou Kaikitan Mannequin (Monthly QooPA 2015-06)

[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}

[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]

[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]

(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]

Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge

(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!)

Kyokon Shoujo Nyoudou Challenge!

Matsuno Osomatsu no Sex Challenge

New Challenges

UnknownUltimateChallenge

[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]

Maki Nico Lez Challenge

Monthly Vitaman 2009-09

Renzoku Kyousha Challenge

[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]

[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB= [Colorized]

[Comic Onacchi (Juliet Kami)] Something unbelievable happened when I stopped time for 1 month and violated a 42 year old hikikomori woman

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]

[Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2

[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Grand Order)[三色的大猩猩翻譯同盟]

[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]

Monthly Vitaman 2009-02 [Incomplete]

[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1

(C56) [M² Company (CJ Michalski, Souya Himawari)] Hachimitsu MONTH (Detective Conan)

Monthly Vitaman 2014-08

Yuusha no Sairokubon Challenge

[Healthyman] Kokona (Hachikagetsu) | Kokona (Seven months pregnant) (Blue Aka-chan IN-bu) [English] [Team Rabu2] [Decensored] [Digital]

[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer) [Chinese] [不咕鸟汉化组]

(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)

JC Chinpo-beya Ikkagetsu Seikatsu Challenge!!

[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)

Osananajimi-chan Ikase Challenge

Angel's stroke 140 Yui-chan Challenge!! 3

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5

Kuroneko Kamen Maudlin

(Kono Koe Todoke, Tsuki made mo Yon) [Milk Pudding (Jamcy)] Akane-chan Challenge! 3-kaime (VOICEROID)

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]

Ero Trap Dungeon no Challenger

[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)

[MelonBooks] Monthly MelomELO Nov.11,2012

Sex Challengers

Monthly Vitaman 2014-09

Yuusha no Sairoku Hon Challenge

Monthly Vitaman 2017-12 [Digital]

Saimin Tengoku Challenge 04

(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]

(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)

Monthly Vitaman 2017-11 [Digital]

(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)

Kanoka Challenge_plot 2

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 | Chaldea Outdoor Challenge with Abby-chan 2 (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]

(C83) [Super Sentou, The Shakya (Fukutarou, Oke)] Gekkan Otona no RitsuMio Zoukangou | Monthly RitsuMio for Adults - Special Edition (K-On!) [English] [Yuri-ism]

Angel's stroke 137 Yui-chan Challenge!! 2

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]

Monthly Vitaman 2017-10 [Digital]

Petit Xu Lewd Challenge (Revenge Edition) + Extras

[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Digital]

Girls from a Prestigious School Challenged to an Escape Game

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]

Monthly Vitaman 2014-12

Doki Doki ❤ Ticket Challenge!

(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)

[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB= [Decensored]

[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]

(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)

Monthly Vitaman 2011-07

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 [Digital]

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]

Monthly Vitaman 2014-02

[Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [Digital]

[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [Digital]

Monthly Vitaman 2016-06

Monthly Vitaman 2016-03

Kasshoku Oneesan no Fudeoroshi Ver. 4

[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 10 (Monthly Vitaman 2018-05) [Chinese] [前线作♂战♀基地] [Digital]

(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]

[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]

Kaye-nee Challenging Herself in Volleyball

Akatsuki no Oyome-san Challenge

Riko to Prushka no Paizuri Challenge

(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)

Pancakes Challenge

Monthly Vitaman 2016-05

(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]

Monthly QooPA 2015-05

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1

[Kazuma Muramasa] Yukizuri Hot! (Monthly Vitaman 2011-03)

(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)

[Fanbox] Kanzarin [Hentai of the month] (4012732)

Monthly Vitaman 2007-08

Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge

Monthly Vitaman 2014-10

You Are Challenged by Kogal Takuha | La Sfida

[Utsutenkai (Shirizou)] Katabutsu Iinchou to NTR Play ni Challenge Suru Hon / Book About A Tightly Wound School Council President Challenging Herself To Do Some NTR Play [English] {Doujins.com}

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)

(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}

[Kawai] ETD Challenge.

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]

[Gosaiji] Captain Saimin Icha Love Challenge (2D Comic Magazine Saimin Kyousei Wakan Ijirare Heroine Mesukoi Acme! Vol. 1) [Chinese] [村长个人汉化] [Digital]

Dairoku! Otoile Challenge 2

[Hitsumabushi] Double Up Challenge! [English]

[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]

(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]

(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!

(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 1 Event Henshuuban