Monthly Vitaman 2014-11
After A Month
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
Akane-chan Challenge! 2.5-kaime
MONTHLY THE IWATOVISION
Monthly Vitaman 2010-01
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi [Digital]
Kanoka Challenge_plot 2
TS-kko Otokoyu Challenge!
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)
DT Chinpo 100-pon Acme Challenge!!
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi | Brown Lady Takes His First Time [English] [Chocolate] [Digital]
Akane-chan Challenge! | 아카네짱 챌린지!
Monthly Vitaman 2015-02
[Mizu] Kids Challenge [English]
Monthly Vitaman 2010-02
One-shota Challenge
Monthly Vitaman 2007-01
Monthly Vitaman 2007-09
Monthly Vitaman 2007-03
Monthly Vitaman 2015-10 [Digital]
[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]
(Futaba Gakuensai 9) [1000AP (Various)] Kodomo de Challenge 5
Monthly Gekiman Special 2013-06 [Incomplete]
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
Futanari Milk Challenge | 迫真水泳部・扶她的里技―第一章
[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]
Maki Nico Lez Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [Chinese] [cqxl自己汉化]
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
Petit Xu Lewd Challenge (Revenge Edition) + Extras
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
[Kuon Michiyoshi] HUNDRED GAME Ch. 4 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
(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}
Challenge Week
Monthly Vitaman 2013-06
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
Monthly Vitaman 2015-11 [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Chinese] [cqxl自己汉化] [Digital]
Semen Storage Challenge
[Corundum] A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou (Fate Grand Order) [English] [FMLTranslations]
Monthly Vitaman 2007-08
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
Monthly Vitaman 2013-09
[Gojarun no Ozashiki (Gojarun)] Nantaika Triad to Yukai na Nakama-tachi Ochinchin Challenge Hon (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
Mesu Ana Muhou Chitai Muyou no Chitsu-nai-dashi Choueki - Hoozuki Miyoko 5 years 6 months
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
Kyokon Shoujo Nyoudou Challenge!
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组]
Monthly UriboZakkaTen Feb.28,2020
First Love Ten months later complete
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 [Chinese] [cqxl自己汉化] [Digital]
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
[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]
Otona Challenge!!
Utsuho Challenge!!
Renzoku Kyousha Challenge
[Akinao] Kasumi to Ren-nii-chan (Monthly Vitaman 2016-06) [English] {NecroManCr}
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
[Kuon Michiyoshi] HUNDRED GAME Ch. 7 (Monthly Vitaman 2015-06) [Chinese] [樱翼汉化组]
[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]
Monthly Vitaman 2018-03 [Digital]
Monthly 'Aikawa' The Chief Editor Chp. 7
1-kagetsukan no Paradise | A Month of Paradise
[Hara] Misaki-chan no Lotion Challenge
Monthly Vitaman 2017-08 [Digital]
Monthly Vitaman 2015-05 [Digital]
[Karma Tatsurou] Oo Tsuma (Monthly Vitaman 2011-12) [Digital]
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
[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]
Kasen-chan no Jasen Rouraku Challenge
Monthly Vitaman 2017-11 [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Reiwa Shasei Challenge
G◎M
Monthly Vitaman 2015-05
Kids Challenge
Monthly Vitaman 2018-04
[MelonBooks] Monthly MelomELO Feb.25,2013
Monthly Vitaman 2013-11
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
Monthly Vitaman 2007-06
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Chinese] [一只麻利的鸽子汉化] [Digital]
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
Okusama Challenge - Challenge of Wife
[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
Yuusha no Sairokubon Challenge
Hajimete no Inpio Challenge
Jeanne no Nikubenki Challenge
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
Monthly Vitaman 2017-09 [Digital]
[Yoriu Mushi] Kokuu Kara no Chousen - Challenger from the Sky
Kasshoku Oneesan no Fudeoroshi Ver.4.1
[Momonosuke] Sex Communication (Monthly Vitaman 2017-01) [Chinese] [不負責任個人漢化]
Dairoku! Otoile Challenge2
W Jeanne to Off-Paco Challenge
Monthly Vitaman 2009-10
Otou-san Challenge
(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
[Higashino Mikan] Umi to Nikuyoku | The Sea and Lust (Monthly Vitaman 2013-10) [English]
Futanari Milk Challenge 6
[Fanbox] Kanzarin [Hentai of the month] (4012732)
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]
Saimin Tengoku Challenge 04
(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]
[Kijitora Nukodi] Lost - Boku no Kioku ha Kimi no Naka | Lost - My Memory Is Within You (Monthly Vitaman 2015-10) [English] [BabaDeca] [Digital]
Futanari Milk Challenge 2 | 扶她榨乳挑战2
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour
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 2016-09
Monthly Vitaman 2008-08
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]
An NTR Day Per Month - Husband Pretends Not To See It Before Her
[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]
Petit Xu Lewd Challenge + Extras