Chaldea Outdoor Challenge Abby-chan to Issho 3
催眠天国 Challenge 03
Monthly Vitaman 2015-05 [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]
Gekkan Comic Guts Re: | Monthly Comic Guts Re:
[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Digital]
Seieki Tamekomi Challenge
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Kuon Michiyoshi] HUNDRED GAME Ch. 2 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
Ero Trap Dungeon no Challenger
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou | Remilia's Challenge (Touhou Project) [English] [UMAD]
Cute Jolyne Lewd Challenge + Extras
[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]
Monthly Vitaman 2010-02
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
Koukotsu no Ori
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
Monthly Vitaman 2018-07
Saimin Appli Challenge!!
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
[Kawai] ETD Challenge.
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
TS-kko Otokoyu Challenge!
Kyokon Shoujo Nyoudou Challenge!
[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]
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
Monthly Vitaman 2016-01
(Angel Time 3) [Syunkan Saidaihusoku, Night FUCKERS (Pony R, Mitsugi)] Phantom Challenge! ~Futari no Domannaka Itadakimasu!~ (Kaitou Tenshi Twin Angel)
You Are Challenged by Kogal Takuha | La Sfida
[Mikeke] ろり陵育 お漏らし編
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
Monthly QooPA 2014-12
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
Maki Nico Lez Challenge
Supervised Monthly Ejaculation
Monthly 'Aikawa' The Chief Editor Chp. 7
Etorofu-gata Muchikko Kodomo Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi [Digital]
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB=
Ma Yumiko (jotaika) hon sanpuru Monthly Girls' Nozaki-kun sample
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
Monthly Vitaman 2014-11
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Namaiki Kuchikukan Wakarase Challenge
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1
Taiwan Comic Monthly
futanari milk challenge 5
[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
Monthly Vitaman 2013-04
Kasen-chan no Jasen Rouraku Challenge
Monthly Vitaman 2007-02
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
Monthly MelomELO Jun.2014
Dairoku! Otoile Challenge 2
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
(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]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)
[d.a.p] UnknownUnlockChallenge
[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]
Monthly Vitaman 2016-11
Monthly MelomELO Feb.25,2013
Akane-chan Challenge! | 아카네짱 챌린지!
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
Saimin Tengoku Challenge 05
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]
U Challenge
(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)
Monthly Vitaman 2009-11
Getsumatsu Daikanshasai | End of month rape festival
Shimakaze-kun Challenge Shippai
DokiDoki Mesuiki! Challenge!!
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]
Hajimete no Inpio Challenge
Monthly Vitaman 2018-03
[hal] Hoozuki Miyoko Keiki 5-nen 6-kagetsu | Hoozuki Miyoko Sentence Five years, Six months (Mesu Ana Muhou Chitai -Mondou Muyou no Nakadashi Choueki-) [English] [CGrascal]
Monthly Gekiman Special 2012-11 [Incomplete]
Yuusha no Sairoku Hon Challenge Omake Manga
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 [Chinese] [cqxl自己汉化]
(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan