Month Challenge

Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga

[Momonosuke] Renai Icchokusen! (Monthly Vitaman 2014-09) [English] [Fated Circle]

[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]

[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]

Challenge Week

Chaldea Outdoor Challenge Abby-chan to Issho 3

ETD Challenge.

[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]

[Momonosuke] Sex Communication (Monthly Vitaman 2017-01) [Chinese] [不負責任個人漢化]

(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]

Teisouring Challenge

[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]

Danchi no Shoujo 〇Gatsu△Hi | Apartment Girl 〇 Month / △ Day

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

Dairoku! Otoile Challenge 2

Monthly Vitaman 2014-01

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]

Monthly UriboZakkaTen Jan.31,2020

Dairoku! Otoile Challenge

[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]

Kasshoku Onee-san no Fudeoroshi Kyou mo Himitsu no Seikatsu Shidou

At first glance, it looks like a man swimsuit challenge + Textless + Bonus

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 - Brown Lady Takes His First Time Ver. 7 [English] [Decensored] [Digital]

Monthly Vitaman 2007-10

1-kagetsukan no Paradise | A Month of Paradise

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

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 [Chinese] [cqxl自己汉化]

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

Six Fanarts Challenge NSFW Pack

[Takitomo Tsuguo] Lotion!? (Monthly Vitaman 2013-08) [Chinese] [最愛路易絲澪漢化組]

Pancakes Challenge | Desafío de Panqueques

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

Saimin Tengoku Challenge 04

Akatsuki no Oyome-san Challenge

Aisha Challenge Renji ☆ 4

Petite Jolyne Lewd Challenge + Extras

Monthly Vitaman 2011-07 [Digital]

(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]

(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 1 Event Henshuuban

Aisha Challenge 4

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]

Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章

fav*exp15 ○○○Challenge

Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure

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

[Kijitora Nukodi] Lost - Boku no Kioku ha Kimi no Naka | Lost - My Memory Is Within You (Monthly Vitaman 2015-10) [English] [BabaDeca] [Digital]

[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]

(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)

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

[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 22 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]

Osananajimi-chan Ikase Challenge

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

[Homura Subaru] Sakunyuu Inma Lili 4 | Milky succubus Lilly (Monthly QooPA 2015-02) [Digital]

Karaoke Challenge

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

Kyokon Shoujo Nyoudou Challenge!

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

New Challenges

Rika no Oshiri Challenge

[MelonBooks] Monthly MelomELO Nov.11,2012

(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]

Saiyan Monthly n°25, August 1993, 2nd anniversary

Otokoyu Challenge Suru Ko

Monthly Vitaman 2018-07

Monthly Vitaman 2013-05

[d.a.p] UnknownUnlockChallenge

Yuusha no Sairoku Hon Challenge Omake Manga

Petit Xu Lewd Challenge + Extras

Mian no Gal Challenge | Mian's Gyaru Challenge

Monthly Vitaman 2006-12

Chaldea Outdoor Challenge Abby-chan to Issho

[Sakimori Dan] Sanae Challenge!! Ch. 1-2

[Homura Subaru] Milky Succubus Lyli 4 (Monthly QooPA 2015-02) [Digital]

[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]

(C56) [M² Company (CJ Michalski, Souya Himawari)] Hachimitsu MONTH (Detective Conan)

Futanari Milk Challenge 2 | 扶她榨乳挑战2

Monthly Vitaman 2009-08

(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2 Event Henshuuban

Chaldea Outdoor Challenge Abby-chan to Issho 3

(C65) [kodomo challenge (Various)] Shukudai ga Owaranai

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

[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set}

[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]

Nanjamo to Ura Gym Challenge!! | Iono's Secret Challenge!!

(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}

(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge 4 (Sennen Sensou Aigis)

Monthly MelomELO Apr.2016

Monthly Vitaman 2017-04 [Digital]

Namaiki Kuchikukan Wakarase Challenge

Monthly Vitaman 2013-06

[Mikeke] ろり陵育　お漏らし編

Monthly Vitaman 2018-01 [Digital]

Monthly Vitaman 2007-08

Double Up Challenge!

[Juan Gotoh] San Jin San Getsu (Three People, Three Months) Ch. 1-3 [English]

[Sen] Makabe no Oshiri Challenge (THE IDOLM@STER MILLION LIVE!)

Monthly Vitaman 2016-12

[InuCream (InuCreamice)] 100 day TS challenge (chinese)

Yuusha no Sairoku Hon Challenge

Monthly Vitaman 2008-11

Sex Challengers

Happy Aphrodisiac Challenge

[Mariana Kaikou Kikaku (Mikami Hokuto)] Shimakaze-kun Challenge Shite Itara, Mogami-kun ni Encount Shita Ken. (Kantai Collection -KanColle-) [Digital]

Monthly Gekiman Special 2012-11 [Incomplete]

Male Swimsuit Challenge

(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]

Monthly Vitaman 2014-10

Kodomo Challenge