[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou[Chinese] [cqxl自己汉化] [Digital]
Monthly Vitaman 2015-03
[Fukumaaya] Uiuishii Imouto | Naive Little Sister (Monthly QooPA 2014-08) [English] [Crystalium]
Tanpan Kozou no Oppai Challenge!
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]
[Fanbox] Kanzarin [Hentai of the month] (4012732)
[Karma Tatsurou] Saraware (Monthly Vitaman 2012-08) [Chinese]
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Kanade Challenge Kouhen
(C59) [Dish up, ONE COIN (Warabi Yuuzou)] Monthly Pace No. 2 (Street Fighter)
Pancakes Challenge | Desafío de Panqueques
Twin Challenge ch. 1
Chaldea Outdoor Challenge Abby-chan to Issho
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Monthly Vitaman 2008-11
G◎M
Monthly Vitaman 2017-12 [Digital]
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! (Pokémon Sword and Shield) [Chinese]
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set}
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
[Kuon Michiyoshi] HUNDRED GAME Ch. 7 (Monthly Vitaman 2015-06) [Chinese] [樱翼汉化组]
Monthly Vitaman 2007-02
[inari mochi] Swimsuit Challenge
Chaldea Outdoor Challenge Abby-chan to Issho 3
Maki Nico Lez Challenge
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Digital]
[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
Monthly QooPA 2015-01 [Digital]
Teisouring Challenge
[Homura Subaru] Milky Succubus Lyli 4 (Monthly QooPA 2015-02) [Digital]
Space Detective Jade Dan Indecent Challenge
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan
Futanari Milk Challenge 5 | 扶她榨乳挑战 5
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
[dotsuco] Nametake Challenge!
[Momonosuke] Sex Communication (Monthly Vitaman 2017-01) [Chinese] [不負責任個人漢化]
Demonic Onsen Paizuri (EscapeFromExpansion)
Tickle Massage Chair Mini - Million Yen Challenge
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 8 (Monthly Vitaman 2018-02) [Chinese] [前线作♂战♀基地] [Digital]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
Akane-chan Challenge! 2-kaime
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
Saimin Tengoku Challenge 06
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [Chinese] [绅士仓库汉化]
Monthly Vitaman 2010-01
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [English] [TF translations]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
One Month of One Shota Life in the Village! ch.3
Monthly Vitaman 2016-04
Monthly Vitaman 2016-10 [Digital]
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
Dokidoki Mesu Ochi Gohoushi Challenge
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
Challenge! Hentai Majo Rensei
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
Kuroneko Kamen Maudlin
(C82) [Marin (Suzusato Rinka, Mage)] Doujouyaburi no Kata wa Katteguchi e Omawari Kudasai | Challengers Please Present Yourself At The Back Door (Ranma 1/2) (English) [SaHa]
Petit Xu Lewd Challenge + Extras
Time of the Month
[Kuon Michiyoshi] HUNDRED GAME Ch. 2 (Monthly Vitaman 2014-11) [English] [allenallenallen333]
Jeanne no Nikubenki Challenge
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
Monthly Vitaman 2007-09
Monthly Vitaman 2016-12
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
Futanari Milk Challenge 3 | 扶她榨乳挑战 3
Monthly Vitaman 2010-02
[Usakun] Kongetsu no Wanko. | This Month's Doggy (Hatsukoi! Lyrical H) [English] [Digital]
Dairoku! Otoile Challenge
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
Yuusha no Sairokubon Challenge
Monthly Vitaman 2016-09
(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]
[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]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armor [Chinese] [cqxl自己汉化] [Digital]
Monthly Vitaman 2006-10
[Tomohiro Kai] HIDE AND PEEK (COMIC Kairakuten BEAST 2014-09) [English] [amaimono]
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB=
Challenge Days
[FAVORITE] Moe Monthly FAVORITE (core Mook Series 599)
[Yonemochi Akihiko] adult challenge 1
DokiDoki Mesuiki! Challenge!!
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Digital]
Futanari Milk Challenge 6
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [Chinese] [cqxl自己汉化]
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
Monthly Vitaman 2017-08 [Digital]
Monthly Vitaman 2007-08
Kodomo de Challenge 2
[Dokudenpa Jushintei (Kobucha)] Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画 [Chinese] [同文城] [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
[Hara] Misaki-chan no Lotion Challenge
Monthly Vitaman 2017-01
Getsumatsu Daikanshasai | End of the Month Appreciation Event
Utsuho Challenge!! ~Yobai ni Chousen~
Monthly Vitaman 2009-08
(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]
Monthly Vitaman 2006-11
Akatsuki-chan Mayonaka no Otoile Challenge
Monthly Vitaman 2018-06
Futanari Milk Challenge 2
Kanoka Challenge_plot 2
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
Monthly Vitaman 2017-04
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
Futanari Milk Challenge 2 | 扶她榨乳挑战2
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
Monthly Vitaman 2007-10
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Chinese] [一只麻利的鸽子汉化] [Digital]
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
[Pyonchi Koubou (Pyonchi)] Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
Monthly Vitaman 2015-10
Toka 1 hour drawing challenge (ichizikann)
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
U Challenge
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 [Chinese] [cqxl自己汉化] [Digital]
Asuka 6 months
Monthly Vitaman 2011-07
Monthly Gekiman Special 2012-11 [Incomplete]
I Challenge You!
Monthly Vitaman 2013-09
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
Monthly Vitaman 2013-03
Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour
Seieki Tamekomi Challenge
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画
Namaiki Kuchikukan Wakarase Challenge
Monthly Vitaman 2007-06
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]
[Kuon Michiyoshi] HUNDRED GAME Ch. 3 (Monthly Vitaman 2014-12) [Chinese] [樱翼汉化组]
Hitori Challenge Rakugaki