Month Challenge

Monthly UriboZakkaTen Feb.28,2020

Akane Challenge!? 2

Challenge Days

Monthly Vitaman 2014-01

[Terujirou] Junior Dominating Senior Challenge!

[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]

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

[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 Gekiman Special 2013-06 [Incomplete]

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}

Kanade Challenge Zenpen

(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)

Mordred nipple Challenge | 莫德雷德乳首挑戰

Monthly Vitaman 2014-10

[Fanbox] Kanzarin [Hentai of the month] (1776117)

Maki Nico Lez Challenge

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Chinese] [cqxl自己汉化] [Digital]

Monthly Vitaman 2015-11

[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]

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

(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]

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

Monthly Vitaman 2016-02

[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]

(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]

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

Kasshoku Oneesan no Fudeoroshi Ver.4.1 

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]

Pancakes Challenge

[Karma Tatsurou] Ochitama | Fallen Balls (Monthly Vitaman 2013-02) [English] [UsagiTrans]

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi | Brown Lady Takes His First Time [English] [Chocolate] [Digital]

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

(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)

Pancakes Challenge

Chaldea Outdoor Challenge Abby-chan to Issho 3

Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"

Chaldea Outdoor Challenge Abby-chan to Issho 3

[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]

Akane-chan Challenge! 2-kaime

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

[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [Digital]

Akatsuki-chan Mayonaka no Otoile Challenge

Kanade Challenge Kouhen

Monthly Vitaman 2014-11

Monthly Vitaman 2018-03 [Digital]

Monthly Vitaman 2017-05 [Digital]

[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set v2}

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

Monthly Vitaman 2007-08

Kasen-chan no Jasen Rouraku Challenge

Yuusha no Sairokubon Challenge

Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!

Getsumatsu Daikanshasai | End of month rape festival

Gekkan "The Bitch" o Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"

Petit Xu Lewd Challenge (Revenge Edition) + Extras

[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB=

[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]

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

Monthly Vitaman 2017-12 [Digital]

(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)

Monthly Vitaman 2018-02 [Digital]

[dotsuco] Nametake Challenge!

Okay-san no Nukinuki Dosukebe Challenge

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

[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]

Monthly Vitaman 2013-04

Kyogo ~Kunoichi Water Torture Challenge~

Monthly UriboZakkaTen Dec.13,2019

(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]

Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan