[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
Futanari Milk Challenge 2
Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure
Ko-Gil Challenge
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]
[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]
[Kuon Michiyoshi] HUNDRED GAME Ch. 7 (Monthly Vitaman 2015-06) [Chinese] [樱翼汉化组]
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]
Monthly QooPA 2015-05
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]
Monthly 'Aikawa' The Chief Editor Chp. 1
Gessha 20-man no Katei Kyoushi | Working as a Home Tutor for 200 Thousand Yen per Month
Naisho no Enkou Challenge | 不可告人的援交挑战
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Monthly Vitaman 2010-02
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [Chinese] [绅士仓库汉化]
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
Nozomi, the wife who is cucked and filmed once a month
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
Flan-chan no Saimin Nikubenki Challenge
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
Monthly Vitaman 2009-11
Kurokoshi You] Challenge Week
Monthly Vitaman 2013-04
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
Monthly Vitaman 2018-06
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[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]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
[Kuon Michiyoshi] HUNDRED GAME Ch. 3 (Monthly Vitaman 2014-12) [Chinese] [樱翼汉化组]
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
Monthly Gekiman Special 2013-06 [Incomplete]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
Chaldea Outdoor Challenge Abby-chan to Issho 3
(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
Kasshoku Oneesan no Fudeoroshi Ver.4.1
#SoniCha Ikuiku Challenge
Monthly Vitaman 2018-05 [Digital]
Space Detective Jade Dan Indecent Challenge
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1 [English] [redCoMet]
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set}
[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]
Nametake Challenge!
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
Monthly Vitaman 2012-01
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] [LoliLab Translations]
Etorofu-gata Otoile Challenge
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
TS-kko Otokoyu Challenge!
Monthly Vitaman 2007-02
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Monthly Vitaman 2015-08
Akane-chan Challenge! 2.5-kaime
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
[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]
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge
Kanoka Challenge_plot 2
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Monthly Vitaman 2016-02
[hal] Kinugasa Minto Keiki 1-nen 6-kagetsu | Kinugasa Minto Sentence 18 Months (Mesu Ana Muhou Chitai Muyou no Chitsu-nai-dashi Choueki) [English]
(Zennin Shuuketsu 9) [Chikuwa to Kyuuri (Sakuraba Chizuru)] Otou-san Challenge (Naruto)
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 22 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
Monthly Vitaman 2016-11
Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou
Maki Nico Lez Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5
(C92) [K+W (Sasachinn)] Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer! (Kantai Collection -KanColle-) [English] [Doujins.com]
One Month of One Shota Life in the Village! ch.3
(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2 Event Henshuuban
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set v2}
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
Monthly Vitaman 2013-07
Challenge Completed!
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [Digital]
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)
Monthly Vitaman 2013-01
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
Monthly Vitaman 2015-05
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Renaissance Da Vinci Translation] [Incomplete]
Monthly Vitaman 2015-10
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
Akane-chan Challenge! 2-kaime
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]
[Yonemochi Akihiko] adult challenge 1
Bodyswap between a monther and her son
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 [Chinese] [cqxl自己汉化]
Ane☆Volleyball Challenge
Monthly Vitaman 2015-01
[Tomohiro Kai] HIDE AND PEEK (COMIC Kairakuten BEAST 2014-09) [English] [amaimono]
(C83) [Super Sentou, The Shakya (Fukutarou, Oke)] Gekkan Otona no RitsuMio Zoukangou | Monthly RitsuMio for Adults - Special Edition (K-On!) [English] [Yuri-ism]
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
Kyokon Shoujo Nyoudou Challenge!
Monthly QooPA 2014-08
[Senbon Torii] FallenXXangeL The Last Stage 1 FULLCOLOR (Injuu Seisen Twin Angels) [Digital]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
[Yurikawa] Futago Challenge (Toshiue Kanojo Alternative) [English] [PSYN]
Misaki-chan no Lotion Challenge
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
Chaldea Outdoor Challenge Abby-chan to Issho
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
Monthly Vitaman 2016-04
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
Otou-san Challenge
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
Monthly QooPA 2015-05 [Digital]
(C78) [WORLD BOX, Bon's (Yuu, Sumeragi Sora)] 2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months (Durarara!!) [English] [ebil_trio]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
One-shota Challenge
(Kono Koe Todoke, Tsuki made mo Yon) [Milk Pudding (Jamcy)] Akane-chan Challenge! 3-kaime (VOICEROID)
Dokidoki Mesu Ochi Gohoushi Challenge
Kasshoku Oneesan no Fudeoroshi Ver.4.1
Toka 1 hour drawing challenge
(Angel Time 3) [Syunkan Saidaihusoku, Night FUCKERS (Pony R, Mitsugi)] Phantom Challenge! ~Futari no Domannaka Itadakimasu!~ (Kaitou Tenshi Twin Angel)
Ero Trap Dungeon no Challenger
Monthly Vitaman 2013-05
Yuusha no Sairoku Hon Challenge