(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
Time of the Month
Kanoka Challenge_plot 2
Monthly Vitaman 2013-08
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)
[Karma Tatsurou] Reikan | Ghost Sense (Monthly Vitaman 2013-05) [English] {UsagiTrans}
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Extra)[三色的大猩猩翻譯同盟]
Monthly QooPA 2015-01 [Digital]
Monthly UriboZakkaTen Feb.28,2020
[MelonBooks] Monthly MelomELO Mar.2014
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
Monthly Vitaman 2007-01
[Niliu Chahui] Male Swimsuit Challenge [English]
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]
[Jyoka] Igyou Kaikitan Mannequin (Monthly QooPA 2015-06)
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1 [English] [redCoMet]
Monthly Vitaman 2013-09
Monthly Vitaman 2016-09
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
[Ponkotsu Works] Blind Ecchi! SideA (Monthly Vitaman 2014-09) [Chinese] {G&魔皮卡的女子力研究}
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
Monthly Vitaman 2015-03
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
Kasshoku Oneesan no Fudeoroshi Ver.4.1
(Kono Koe Todoke, Tsuki made mo Yon) [Milk Pudding (Jamcy)] Akane-chan Challenge! 3-kaime (VOICEROID)
Monthly QooPA 2014-08
[hal] Kinugasa Minto Keiki 1-nen 6-kagetsu | Kinugasa Minto Sentence 18 Months (Mesu Ana Muhou Chitai Muyou no Chitsu-nai-dashi Choueki) [English]
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Renaissance Da Vinci Translation] [Incomplete]
You Are Challenged by Kogal Takuha | La Sfida
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]
I Challenge You!
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
Monthly Vitaman 2015-04
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan
JK Tamamo no Shuugaku Ryokou Oppai Challenge
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]
[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]
[Fanbox] Kanzarin [Hentai of the month] (1776117)
[Mikeke] ろり陵育 お漏らし編
Monthly Vitaman 2014-03
G◎M
Monthly Vitaman 2015-10 [Digital]
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
Monthly Vitaman 2006-12
Monthly Vitaman 2016-03
Monthly Vitaman 2016-01
Monthly Vitaman 2017-10 [Digital]
[Jyoka] Igyou Kaikitan Hasshaku-sama (Monthly QooPA 2014-12) [Digital]
[Karma Tatsurou] Tsuyuki | Rainsnow (Monthly Vitaman 2014-08) [English] =TV=
Pancakes Challenge
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
Junior Dominating Senior Challenge!
[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]
(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]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
Tsuki Ichi Onnanoko | Monthly Girl
Monthly Vitaman 2015-12
Kasshoku Oneesan no Fudeoroshi Ver.4.1
1-kagetsukan no Paradise | A Month of Paradise
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)
Rika no Oshiri Challenge
Getsumatsu Daikanshasai | End of the Month Appreciation Event
Kasen-chan no Jasen Rouraku Challenge
Nozomi, the wife who is cucked and filmed once a month
[Corundum] A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou (Fate Grand Order) [English] [FMLTranslations]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
[Fukuyama Naoto] Saimin Tengoku Challenge 03 (COMIC BAVEL 2021-02) [Chinese] [零星汉化组] [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 [Digital]
Sennou Fuchou no Obenjo Challenge Isshuukan!
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
#SoniCha Ikuiku Challenge
[laliberte] CHALLENGE [Chinese] [流木个人汉化]
[Karma Tatsurou] Oo Tsuma (Monthly Vitaman 2011-12) [Digital]
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
Kanade Challenge Zenpen
[Fanbox] Kanzarin [Hentai of the month] (3648356)
[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [English] [Kappasa] [Digital]
Monthly Vitaman 2016-05
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
[Toufu Insider] Saimin Appli Challenge!!
Chaldea Outdoor Challenge Abby-chan to Issho
[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]
Ko-Gil Challenge
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
Kids Challenge
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour
[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]
Monthly Vitaman 2013-02
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
Monthly Vitaman 2013-10
[DIN] Seieki Tamekomi Challenge | Semen Storage Challenge [English]
[Kazuma Muramasa] Yukizuri Hot! (Monthly Vitaman 2011-03)
(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Osananajimi-chan Ikase Challenge
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
Monthly Vitaman 2018-07
Shizuku Challenge! Takumin Hitsuji-san no Chichishibori! RX
Monthly Vitaman 2017-08 [Digital]
Monthly Vitaman 2014-01
(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]
[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou[Chinese] [cqxl自己汉化] [Digital]
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB= [Colorized]
[zen9] Okusama Challenge - Challenge of Wife
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 [Chinese] [cqxl自己汉化] [Digital]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
Chaldea Outdoor Challenge Abby-chan to Issho 3
Otou-san Challenge
Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou
Etorofu-gata Muchikko Kodomo Challenge
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
Seieki Tamekomi Challenge