1 Month Challenge

Monthly Vitaman 2015-05 [Digital]

Kasshoku Oneesan no Fudeoroshi SNS ha kiken na nioi

Pancakes Challenge

Seieki Tamekomi Challenge

Monthly Vitaman 2016-03

[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]

Monthly Vitaman 2015-05

(C92) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge [English] {Hennojin}

(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]

Monthly QooPA 2014-08

[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]

Futanari Milk Challenge 2

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

Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!

Monthly Vitaman 2007-06

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5

[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]

[Kuon Michiyoshi] HUNDRED GAME Ch. 2 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]

(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)

(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]

[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)

Toka 1 hour drawing challenge

(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armor [Chinese] [cqxl自己汉化] [Digital]

[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [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]

[Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [Digital]

(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)

[Comic Onacchi (Juliet Kami)] Something unbelievable happened when I stopped time for 1 month and violated a 42 year old hikikomori woman

[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)

Nametake Challenge!

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]

(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen

[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge

[Karma Tatsurou] Reikan | Ghost Sense (Monthly Vitaman 2013-05) [English] {UsagiTrans}

Maki Challenge

[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]

(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID) [Chinese] [古早个人汉化]

Getsumatsu Daikanshasai | End of the Month Appreciation Event

Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga

[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]

Riko to Prushka no Paizuri Challenge

Monthly Vitaman 2016-01

Harakudashi Challenge 2

[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]

U Challenge

Naisho no Enkou Challenge | 不可告人的援交挑战

The Model Couple

(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密相声挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]

(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]

[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) | One-month lifestyle challenge: A Middle Schooler rooming in an apartment filled with dicks! (Part 2) [English][Black Grimoires][Digital]

[Tomohiro Kai] HIDE AND PEEK (COMIC Kairakuten BEAST 2014-09) [English] [amaimono]

Monthly Vitaman 2017-04 [Digital]

Kanade Challenge Zenpen

(C92) [K+W (Sasachinn)] Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer! (Kantai Collection -KanColle-) [English] [Doujins.com]

[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]

Kuroshio Challenge

[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)

(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]

Hitori Challenge Rakugaki

Kyokon Shoujo Nyoudou Challenge!

(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan

Okusama Challenge - Challenge of Wife

[Fanbox] Kanzarin [Hentai of the month] (4012732)

[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]

(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)

Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour

Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?

Kasen-chan no Jasen Rouraku Challenge

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]

HERE COMES A NEW CHALLENGER!!

(Ore no Turn vs. 2019) [sigh. (Naruse)] Ore to Aitsu no S. M. T Challenge! (Yu-Gi-Oh! VRAINS)

[Kuon Michiyoshi] HUNDRED GAME Ch. 9 (Monthly Vitaman 2015-09) [Chinese] [樱翼汉化组]

Futanari Milk Challenge 3 | 扶她榨乳挑战 3

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi [Chinese] [cqxl自己汉化] [Digital]

Challenge! Hentai Majo Rensei

Monthly 'Aikawa' The Chief Editor Chp. 3

Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen

(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]

(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)

[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]

[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]

Backstage Hibiki Challenge

(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]

Akatsuki no Oyome-san Challenge

[laliberte] CHALLENGE [Chinese] [流木个人汉化]

(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)

JC Chinpo-beya Ikkagetsu Seikatsu Challenge!

[Hitsumabushi] Double Up Challenge! [English]

(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组]

Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure

Monthly Vitaman 2007-10

(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]

[Hanauna] Mahou Shoujo Yuusha-chan (Monthly QooPA 2014-08) [Chinese] [NPC中文化]

[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战！ [Chinese] [瑞树汉化组]

Monthly Vitaman 2017-02

(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [Chinese] [绅士仓库汉化]

[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]

[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]

[deathALICE] Time of the Month (Girls' Frontline) [English]

Futanari Milk Challenge 5 | 扶她榨乳挑战 5

After A Month

Monthly Vitaman 2013-11

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]

Mont Barbara no Inran Shimai | Laissez Fayre Horny Sisters

Karaoke Challenge

Shimakaze-kun no Hatten Toilet Challenge!

Monthly Vitaman 2017-01

Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章

Monthly KaraOso Omnibus

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}

Monthly Megastore 2018-03

[Mikeke] ろり陵育　お漏らし編

Taiwan Comic Monthly

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 [Chinese] [cqxl自己汉化] [Digital]

(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)

Monthly Vitaman 2007-11

Kareshi ni Naisho de Otoko Mizugi Challenge Yarimasu

Monthly Vitaman 2015-01

Monthly Vitaman 2018-03

[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]

Monthly Vitaman 2013-06

[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}

DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!

Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章

Double Up Challenge!

(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki

Monthly QooPA 2013-10

[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]

[Kokusan JK (Velzhe)] Kagi Catch Challenge 2

[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)

[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]

[Terujirou] Junior Dominating Senior Challenge!

Monthly Vitaman 2008-03

(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)

(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]

(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)

Monthly Vitaman 2014-03

[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}

[Pyonchi Koubou (Pyonchi)] Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen

[zen9] Okusama Challenge - Challenge of Wife

Monthly Vitaman 2017-11 [Digital]

[Akinao] Kasumi to Ren-nii-chan (Monthly Vitaman 2016-06) [English] {NecroManCr}

Monthly Gekiman Special 2012-11 [Incomplete]

[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]

Kids Challenge

Dokidoki Mesu Ochi Gohoushi Challenge | 心跳心跳雌堕侍奉挑战