Monthly Vitaman 2007-04
Namaiki Kuchikukan Wakarase Challenge
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
[Momonosuke] Inaka no Aji wa Koi no Aji? (Monthly Vitaman 2016-05) [English] [Fated Circle]
Twin Challenge ch. 1
Gessha 20-man no Katei Kyoushi | Working as a Home Tutor for 200 Thousand Yen per Month
Monthly Vitaman 2018-03
Monthly Vitaman 2014-01
Monthly Vitaman 2015-04
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
Monthly Vitaman 2017-04 [Digital]
Saimin Tengoku Challenge 05
Monthly Vitaman 2017-11 [Digital]
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
Monthly Vitaman 2015-06
Nametake Challenge!
[18master] Boku to Kaa-san no Ikkagetsu 2 | My Month Together with Mom [English][Amoskandy]
Monthly Vitaman 2006-10
[Jyoka] Igyou Kaikitan Hasshaku-sama (Monthly QooPA 2014-12) [Digital]
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge
Monthly MelomELO Nov.11,2012
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
Akane-chan Challenge! | 아카네짱 챌린지!
Monthly Vitaman 2018-04
Monthly Vitaman 2015-08
Monthly Vitaman 2018-05
MONTHLY THE IWATOVISION
i-ll-make-you-understand-challenge
Supervised Monthly Ejaculation
Monthly QooPA 2014-08
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
Monthly Vitaman 2007-10
[dotsuco] Nametake Challenge!
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)
Monthly 'Aikawa' The Chief Editor Chp. 7
Bodyswap between a monther and her son
Tanpan Kozou no Oppai Gym Challenge!
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
Ko-Gil Challenge
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
After A Month
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章
(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
Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour
Dairoku! Otoile Challenge2
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
Futanari Milk Challenge | 迫真水泳部・扶她的里技―第一章
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
Monthly Vitaman 2017-04
UnknownUnlockChallenge
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]
Monthly Vitaman 2009-10
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
(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]
Challenge Days
Monthly MelomELO Feb.25,2013
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
Doki doki♡ Ticket Challenge!
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta inaugural issue "Entrance Information" vol.000
催眠天国 Challenge 03
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
Monthly Vitaman 2006-11
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C56) [M² Company (CJ Michalski, Souya Himawari)] Hachimitsu MONTH (Detective Conan)
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
Rika no Oshiri Challenge
Saimin Tengoku Challenge 06
[Yurikawa] Futago Challenge (Toshiue Kanojo Alternative) [English] [PSYN]
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
W Jeanne to Off-Paco Challenge
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组·改]
Monthly Vitaman 2007-08
[Homura Subaru] Momoyuri Gakuen ~Himitsu no Soap-bu~ 2-rime (Monthly QooPA 2015-01) [Digital]
I Challenge You!
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1 [English] [redCoMet]
Jeanne no Nikubenki Challenge
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
Futanari Milk Challenge 6
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
Flan-chan no Saimin Nikubenki Challenge
Monthly Vitaman 2016-09
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 22 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
Monthly Vitaman 2009-11
Dairoku! Otoile Challenge
Monthly Vitaman 2010-02
Teisouring Challenge
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
Kuroshio Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [Chinese] [cqxl自己汉化]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]
Monthly Vitaman 2013-06
[Kuon Michiyoshi] HUNDRED GAME Ch. 10 (Monthly Vitaman 2015-10) [Chinese] [樱翼汉化组]
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
Utsuho Challenge!!
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
Monthly Vitaman 2015-05 [Digital]
Monthly Vitaman 2015-11 [Digital]
[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]
Monthly Vitaman 2015-11
Kurokoshi You] Challenge Week
[Kazuma Muramasa] Yukizuri Hot! (Monthly Vitaman 2011-03)
9 Months With Ellie
(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]
Girls from a Prestigious School Challenged to an Escape Game
Monthly Vitaman 2016-01
Kyogo ~Kunoichi Water Torture Challenge~
[Usakun] Kongetsu no Wanko. | This Month's Doggy. (COMIC LO 2007-05) [English] [sirC]
(C90) [SHAY-CONE (Poccora)] Bakunyuu Majo Tsuki ni Ichido no Cosplay Nakadashi Off-kai | Big-Titty Witch's Monthly Cosplay Creampie Meetup (Granblue Fantasy) [English] =White Lantern=
(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2 Event Henshuuban
Yuusha no Sairoku Hon Challenge