Monthly Vitaman 2015-05 [Digital]
Jeanne no Nikubenki Challenge
TS-kko Otokoyu Challenge!
Shizuku Challenge! Takumin Hitsuji-san no Chichishibori! RX
Monthly Vitaman 2009-02 [Incomplete]
Monthly Vitaman 2006-12
[Kuon Michiyoshi] HUNDRED GAME Ch. 7 (Monthly Vitaman 2015-06) [Chinese] [樱翼汉化组]
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!)
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
Six Fanarts Challenge NSFW Pack
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
Monthly Vitaman 2016-03
Kasshoku Oneesan no Fudeoroshi Ver. 4
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
Koukotsu no Ori
Kurokoshi You] Challenge Week
Okay-san no Nukinuki Dosukebe Challenge
Monthly Vitaman 2013-02
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 (Sennen Sensou Aigis)
(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)
Kanade Challenge Zenpen
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
Gessha 20-man no Katei Kyoushi | Working as a Home Tutor for 200 Thousand Yen per Month
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Monthly MelomELO Nov.11,2012
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
Monthly Vitaman 2015-11 [Digital]
Monthly QooPA 2015-05 [Digital]
Monthly Vitaman 2007-11
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [English] [Kappasa] [Digital]
[DIN] Seieki Tamekomi Challenge | Semen Storage Challenge [English]
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
Twin Challenge ch. 1
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
Naisho no Enkou Challenge | 不可告人的援交挑战
Reiwa Shasei Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]
Junior Dominating Senior Challenge!
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
Monthly Comic Guts RE
[Kusatsu Terunyo] Homestay Ikkagetsume | 1st Month of Homestay (COMIC Purumelo 2008-11) [English] [desudesu]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3
[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]
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set v2}
Monthly Vitaman 2007-08
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
[Professor Grace (Grace Ishikawa)] Brain Training (From: COMIC Monthly Vitaman 2006-10) [ENG] =TV=
Monthly Vitaman 2007-02
Saimin Tengoku Challenge 06
Maki Nico Lez Challenge
Monthly Vitaman 2014-01
[Karma Tatsuro] Shiawase no Shoujo (Monthly Vitaman 2014-01) [English] [Facedesk]
Sennou Fuchou no Obenjo Challenge Isshuukan!
[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [Digital]
[Momonosuke] Renai Icchokusen! (Monthly Vitaman 2014-09) [English] [Fated Circle]
Monthly Vitaman 2016-10 [Digital]
Monthly Vitaman 2011-07 [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 | Brown Lady Takes His First Time Ver. 6 [English] [Decensored] [Copy Of]
I Challenge You!
Utsuho Challenge!! ~Yobai ni Chousen~
Monthly Vitaman 2007-09
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
[Karma Tatsurou] Tsuyuki | Rainsnow (Monthly Vitaman 2014-08) [English] =TV=
UnknownUnlockChallenge
Saimin Tengoku Challenge 04
[Kuon Michiyoshi] HUNDRED GAME Ch. 3 (Monthly Vitaman 2014-12) [Chinese] [樱翼汉化组]
Challenge Days
[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战! [Chinese] [瑞树汉化组]
#SoniCha Ikuiku 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]
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
DT Chinpo 100-pon Acme Challenge!!
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]
[MelonBooks] Monthly MelomELO Feb.25,2013
Monthly Vitaman 2015-09
(Ore no Turn vs. 2019) [sigh. (Naruse)] Ore to Aitsu no S. M. T Challenge! (Yu-Gi-Oh! VRAINS)
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge! (Pokémon Sword and Shield) [English] {Doujins.com}
Monthly Vitaman 2017-05
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Monthly Vitaman 2011-07
(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2 Event Henshuuban
Otou-san Challenge
Futanari Milk Challenge 3
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
Saimin Appli Challenge!!
Doki doki♡ Ticket Challenge!
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 23 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
(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]
An NTR Day Per Month - Husband Pretends Not To See It Before Her
Monthly Vitaman 2006-10
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 | Chaldea Outdoor Challenge with Abby-chan 2 (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
Yuusha no Sairokubon Challenge
Monthly Vitaman 2009-12
[Kuon Michiyoshi] HUNDRED GAME Ch. 9 (Monthly Vitaman 2015-09) [Chinese] [樱翼汉化组]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
[MelonBooks] Monthly MelomELO Mar.2014
Kyokon Shoujo Nyoudou Challenge!
[inari mochi] Swimsuit Challenge
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
Monthly Vitaman 2016-12
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Renaissance Da Vinci Translation] [Incomplete]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
Monthly Vitaman 2007-06
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
[FAVORITE] Moe Monthly FAVORITE (core Mook Series 599)
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
[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]
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Monthly Vitaman 2013-03
Monthly 'Aikawa' The Chief Editor Chp. 1
[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]
Monthly Vitaman 2015-05
CHALLENGE
Monthly 'Aikawa' The Chief Editor Chp. 5
Namaiki Kuchikukan Wakarase Challenge
[Fanbox] Kanzarin [Hentai of the month] (4012732)
HERE COMES A NEW CHALLENGER!!
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
Monthly Vitaman 2018-03
G◎M
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [Self Translation]
Kasshoku Oneesan no Fudeoroshi SNS ha kiken na nioi
Kasshoku Oneesan no Fudeoroshi Ver. 3
Kuroshio Challenge
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]
Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
Gekkan Comic Guts Re: | Monthly Comic Guts Re:
Ane☆Volleyball Challenge
Monthly Vitaman 2013-06
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 [Digital]
Tsuki Ichi Onnanoko | Monthly Girl
[Dokudenpa Jushintei (Kobucha)] 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 [Chinese] [同文城] [Digital]
Rika no Oshiri Challenge