Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
Yuusha no Sairokubon Challenge
Kasshoku Oneesan no Fudeoroshi Ver. 4
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB= [Decensored]
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]
Saimin Tengoku Challenge 04
[Black Age (Kurono Masakado)] Detective Collection VOL. 01 (Detective Conan) [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]
Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5 [English] [Uncensored]
Monthly Vitaman 2009-12
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [English] [Decensored] [Copy Of] [Digital]
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
Male Swimsuit Challenge
Utsuho Challenge!!
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
Monthly Vitaman 2013-01
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [Self Translation]
[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]
Shimakaze-kun Challenge Shippai
[Comeon Showme] Unhappy Now Year (Monthly Vitaman 2013-02) [English] [Krozam]
Monthly Vitaman 2015-09
Bodyswap between a monther and her son
Flan-chan no Saimin Nikubenki Challenge
Maki Nico Lez Challenge
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
Hajimete no Inpio Challenge
[Kuon Michiyoshi] HUNDRED GAME Ch. 4 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
Futanari Milk Challenge | 迫真水泳部・扶她的里技―第一章
[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]
Monthly Vitaman 2017-12 [Digital]
Pancakes Challenge | Desafío de Panqueques
Monthly Vitaman 2007-03
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
[Karma Tatsuro] Shiawase no Shoujo (Monthly Vitaman 2014-01) [English] [Facedesk]
Monthly Vitaman 2015-10
Naisho no Enkou Challenge | 不可告人的援交挑战
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
Monthly Vitaman 2017-05 [Digital]
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi [Chinese] [cqxl自己汉化] [Digital]
An NTR Day Per Month - Husband Pretends Not To See It Before Her
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
[Momonosuke] Inaka no Aji wa Koi no Aji? (Monthly Vitaman 2016-05) [English] [Fated Circle]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]
(C96) Dairoku! Otoile Challenge
Sex Challengers
Renzoku Kyousha Challenge
Monthly MelomELO Jun.2014
#SoniCha Ikuiku Challenge
Monthly QooPA 2015-05
Yuusha no Sairoku Hon Challenge Omake Manga
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
[Yoriu Mushi] Kokuu Kara no Chousen - Challenger from the Sky
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组·改]
(Futaba Gakuensai 9) [1000AP (Various)] Kodomo de Challenge 5
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
[Kawai] ETD Challenge.
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [English] {Hennojin} [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Digital]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 | Chaldea Outdoor Challenge with Abby-chan 3 (Fate/Grand Order) [Digital] [English] [The Blavatsky Project]
Akane-chan Challenge! | 아카네짱 챌린지!
Challenge Days
Kasen-chan no Jasen Rouraku Challenge
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou | Remilia's Challenge (Touhou Project) [English] [UMAD]
Challenge! Hentai Majo Rensei
Monthly QooPA 2013-10
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 25 (Monthly Vitaman 2015-05) [Chinese] [樱翼汉化组]
U Challenge
HERE COMES A NEW CHALLENGER!!
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
Yousei-san no?! Himitsu no Bouken no Tobira Preview ver
DT Chinpo 100-pon Acme Challenge!!
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
Monthly QooPA 2015-05 [Digital]
(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]
Monthly Vitaman 2013-11
Misaki-chan no Lotion Challenge
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
TS-kko Otokoyu Challenge!
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
[The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan (Various) [Digital]
Nametake Challenge!
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
Kyokon Shoujo Nyoudou Challenge!
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
[ro] Ookami to Akazukin Ch. 2 (Monthly QooPA 2014-09) [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
Monthly UriboZakkaTen Jan.31,2020
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Monthly MelomELO Apr.2016
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
Ma Yumiko (jotaika) hon sanpuru Monthly Girls' Nozaki-kun sample
[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
Monthly Vitaman 2016-12
Mordred nipple Challenge | 莫德雷德乳首挑戰
Rika no Oshiri Challenge
[Higashino Mikan] Umi to Nikuyoku | The Sea and Lust (Monthly Vitaman 2013-10) [English]
Monthly Vitaman 2017-04 [Digital]
[Higashino Mikan] Futomomo Sensation! (Monthly Vitaman 2015-10) [English] {NecroManCr}
[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]
Chaldea Outdoor Challenge Abby-chan to Issho 3
[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]