(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
Challenge Week
Kaye-nee Challenging Herself in Volleyball
Aisha Challenge 4
Dairoku! Otoile Challenge
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Tsuki Ichi Onnanoko | Monthly Girl
Once A Month Visitor
[Akinao] Kasumi to Ren-nii-chan (Monthly Vitaman 2016-06) [English] {NecroManCr}
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
1-kagetsukan no Paradise | A Month of Paradise
Monthly MelomELO Feb.25,2013
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project) [Digital]
Monthly Vitaman 2018-02 [Digital]
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]
Monthly 'Aikawa' The Chief Editor Chp. 1
Akane-chan Challenge! 2-kaime
Monthly Vitaman 2010-02
Monthly Vitaman 2009-03
[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB=
Maki Challenge
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
Monthly Vitaman 2015-12
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
Monthly Vitaman 2009-11
futanari milk challenge 5
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
ETD Challenge.
Sennou Fuchou no Obenjo Challenge Isshuukan!
Monthly Vitaman 2007-10
Monthly Vitaman 2016-11
Yamahime No Jitsu August Extra Monthly Juku Onna Tengoku
Seieki Tamekomi Challenge
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
Monthly Vitaman 2015-11 [Digital]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
Monthly Vitaman 2009-10
Teisouring Challenge
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]
(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
G◎M
I Challenge You!
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
[Higashino Mikan] Futomomo Sensation! (Monthly Vitaman 2015-10) [English] {NecroManCr}
Misaki-chan no Lotion Challenge
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
[inari mochi] Swimsuit Challenge
[Kusatsu Terunyo] Homestay Ikkagetsume | 1st Month of Homestay (COMIC Purumelo 2008-11) [English] [desudesu]
Yuusha no Sairoku Hon Challenge
[d.a.p] UnknownUnlockChallenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armor [Chinese] [cqxl自己汉化] [Digital]
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
Chaldea Outdoor Challenge Abby-chan to Issho 3
Monthly Vitaman 2012-01
Monthly Vitaman 2008-08
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
[Mizu] Kids Challenge
[Kijitora Nukodi] Lost - Boku no Kioku ha Kimi no Naka | Lost - My Memory Is Within You (Monthly Vitaman 2015-10) [English] [BabaDeca] [Digital]
[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]
Monthly Vitaman 2015-09
Space Detective Jade Dan Indecent Challenge
Akatsuki-chan Mayonaka no Otoile Challenge
Monthly Vitaman 2016-12
Monthly Vitaman 2018-06
Etorofu-gata Muchikko Kodomo Challenge
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
Getsumatsu Daikanshasai | End of month rape festival
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
#SoniCha Ikuiku Challenge
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)