(C82) [Super Sentou, The Shakya (Fukutarou, Oke)] Gekkan Otona no RitsuMio Soukangou | Monthly Issue - First Release of Mio and Ritsu for Adults (K-On!) [English] [Yuri-ism]
Etorofu-gata Otoile Challenge
Monthly Vitaman 2017-11 [Digital]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 [Chinese] [cqxl自己汉化] [Digital]
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
Backstage Hibiki Challenge
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
Monthly Vitaman 2015-01
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Digital]
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
Petit Xu Lewd Challenge + Extras
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
[Yonemochi Akihiko] adult challenge 1
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
Monthly Vitaman 2016-09
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project)
Seieki Tamekomi Challenge
(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)
Monthly Gekiman Special 2013-06 [Incomplete]
[Hanauna] Mahou Shoujo Yuusha-chan (Monthly QooPA 2014-08) [Chinese] [NPC中文化]
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Bodyswap between a monther and her son
[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]
Doki Doki ❤ Ticket Challenge!
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB=
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
Monthly Vitaman 2016-11
[Momonosuke] Sex Communication (Monthly Vitaman 2017-01) [Chinese] [不負責任個人漢化]
[Kawai] ETD Challenge.
Monthly UriboZakkaTen Jan.31,2020
Okei-san no Nukinuki Dosukebe Challenge
[d.a.p] UnknownUnlockChallenge
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)
[Fukuyama Naoto] Saimin Tengoku Challenge 03 (COMIC BAVEL 2021-02) [Chinese] [零星汉化组] [Digital]
Tanpan Kozou no Oppai Gym Challenge!
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 - Brown Lady Takes His First Time Ver. 7 [English] [Decensored] [Digital]
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB=
[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
[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]
[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 (Girls und Panzer)
Kodomo de Challenge 2
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [Textless]
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
Monthly Vitaman 2017-08 [Digital]
Chaldea Outdoor Challenge Abby-chan to Issho 3
[Kuon Michiyoshi] HUNDRED GAME Ch. 10 (Monthly Vitaman 2015-10) [Chinese] [樱翼汉化组]
Maki Nico Lez Challenge
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Digital]
Kaye-nee Challenging Herself in Volleyball
Monthly Vitaman 2018-02 [Digital]
Monthly Vitaman 2014-11
[Usakun] Kongetsu no Wanko. | This Month's Doggy. (COMIC LO 2007-05) [English] [sirC]
Futanari Milk Challenge | 迫真水泳部・扶她的里技―第一章
Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan
(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]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
Monthly Vitaman 2013-09
Taiwan Comic Monthly
Monthly Vitaman 2015-10
Getsumatsu Daikanshasai | End of the Month Appreciation Event
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)
Monthly Vitaman 2015-11
[Fanbox] Kanzarin [Hentai of the month] (1776117)
Yuusha no Sairoku Hon Challenge Omake Manga
Monthly Vitaman 2016-04
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi SNS wa Kiken na Nioi [Chinese] [cqxl自己汉化]
Monthly Vitaman 2009-10
Monthly 'Aikawa' The Chief Editor Chp. 7
[Juan Gotoh] San Jin San Getsu (Three People, Three Months) Ch. 1-3 [English]
Monthly Vitaman 2013-10
Tanpan Kozou no Oppai Challenge!
Monthly Vitaman 2009-11
Mesu Ana Muhou Chitai Muyou no Chitsu-nai-dashi Choueki - Hoozuki Miyoko 5 years 6 months
Monthly QooPA 2014-12
(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]
DokiDoki Mesuiki! Challenge!!
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 25 (Monthly Vitaman 2015-05) [Chinese] [樱翼汉化组]
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
Monthly Vitaman 2016-07
Chaldea Outdoor Challenge Abby-chan to Issho 2
Yuusha no Sairokubon Challenge
Monthly Vitaman 2008-08
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
futanari milk challenge 5
Kanoka Challenge_plot 2
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1
[deathALICE] Time of the Month (Girls' Frontline) [English]
Jisatsu Challenge | 自殺挑戰
[Kuon Michiyoshi] HUNDRED GAME Ch. 11 (Monthly Vitaman 2015-11) [Chinese] [樱翼汉化组]
[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]
[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]
Monthly Vitaman 2016-06
Monthly 'Aikawa' The Chief Editor Chp. 6
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB= [Decensored]
[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]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
Time of the Month
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 1 Event Henshuuban
Rika no Oshiri Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
[Usakun] Kongetsu no Wanko. | This Month's Doggy (Hatsukoi! Lyrical H) [English] [Digital]
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1 [English] [redCoMet]
Male Swimsuit Challenge
Monthly Vitaman 2015-10 [Digital]
Kasen-chan no Jasen Rouraku Challenge
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [Chinese] [绅士仓库汉化]
Monthly Vitaman 2017-01
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]
Monthly MelomELO Jun.2014
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] [LoliLab Translations]
Monthly Vitaman 2018-05 [Digital]
Monthly Vitaman 2007-08
Kanade Challenge Kouhen
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
Kids Challenge
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)
Flan-chan no Saimin Nikubenki Challenge
[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]
[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Monthly Vitaman 2013-08