(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
Cute Jolyne Lewd Challenge + Extras
Monthly Vitaman 2014-09
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
Junior Dominating Senior Challenge!
Kasshoku Oneesan no Fudeoroshi Ver.4.1
#SoniCha Ikuiku Challenge
1-kagetsukan no Paradise | A Month of Paradise
Monthly Vitaman 2017-05 [Digital]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)
Dairoku! Otoile Challenge
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
Futanari Milk Challenge 3
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
[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]
Monthly Vitaman 2013-04
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [Self Translation]
Monthly Vitaman 2015-06
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
i-ll-make-you-understand-challenge
Monthly MelomELO Mar.2014
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)
[Mizu] Kids Challenge [English]
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 10 (Monthly Vitaman 2018-05) [Chinese] [前线作♂战♀基地] [Digital]
Space Detective Jade Dan Indecent Challenge
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组·改]
Jisatsu Challenge | 自殺挑戰
[Fanbox] Kanzarin [Hentai of the month] (4012732)
[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]
[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]
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
Tanpan Kozou no Oppai Challenge!
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
Reiwa Shasei Challenge
Kanade Challenge Zenpen
[18master] Boku to Kaa-san no Ikkagetsu 2 | My Month Together with Mom [English][Amoskandy]
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
[The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan (Various) [Digital]
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 9 (Monthly Vitaman 2018-04) [Chinese] [前线作♂战♀基地] [Digital]
Monthly Vitaman 2015-10
[Juan Gotoh] San Jin San Getsu (Three People, Three Months) Ch. 1-3 [English]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]
(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)
An NTR Day Per Month - Husband Pretends Not To See It Before Her
Monthly Vitaman 2016-02
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 [Digital]
[Gosaiji] Captain Saimin Icha Love Challenge (2D Comic Magazine Saimin Kyousei Wakan Ijirare Heroine Mesukoi Acme! Vol. 1) [Chinese] [村长个人汉化] [Digital]
Kyokon Shoujo Nyoudou Challenge!
Saimin Tengoku Challenge 04
Monthly Vitaman 2014-03
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! (Pokémon Sword and Shield) [Chinese]
Aisha Challenge 4
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
One-shota Challenge
Monthly Vitaman 2017-10 [Digital]
Monthly Vitaman 2006-11
[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]
Monthly Vitaman 2013-06
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
[Kuon Michiyoshi] HUNDRED GAME Ch. 10 (Monthly Vitaman 2015-10) [Chinese] [樱翼汉化组]
Chaldea Outdoor Challenge Abby-chan to Issho 3
Monthly 'Aikawa' The Chief Editor Chp. 3
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
Kanade Challenge Kouhen
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]
Demonic Onsen Paizuri (EscapeFromExpansion)
Tsuki Ichi Onnanoko | Monthly Girl
Monthly Vitaman 2015-09
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]
Monthly QooPA 2015-01 [Digital]
Monthly Vitaman 2013-10
[MelonBooks] Monthly MelomELO Nov.11,2012
催眠天国 Challenge 03
[Kuon Michiyoshi] HUNDRED GAME Ch. 6 (Monthly Vitaman 2015-05) [Chinese] [樱翼汉化组]
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
Monthly Vitaman 2011-07 [Digital]
Yousei-san no?! Himitsu no Bouken no Tobira Preview ver
[dotsuco] Nametake Challenge!
[inari mochi] Swimsuit Challenge
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画
Monthly Vitaman 2015-04
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
[Usakun] Kongetsu no Wanko. | This Month's Doggy. (COMIC LO 2007-05) [English] [sirC]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
[FAVORITE] Moe Monthly FAVORITE (core Mook Series 599)
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
[Takitomo Tsuguo] Lotion!? (Monthly Vitaman 2013-08) [Chinese] [最愛路易絲澪漢化組]
Sennou Fuchou no Obenjo Challenge Isshuukan!
UnknownUnlockChallenge
[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 Vitaman 2018-06