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[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Renaissance Da Vinci Translation] [Incomplete]

Monthly Vitaman 2013-04

[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 8 (Monthly Vitaman 2018-02) [Chinese] [前线作♂战♀基地] [Digital]

Monthly Vitaman 2016-12

#SoniCha Ikuiku Challenge Short Rough Stories

[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

(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)

Monthly Vitaman 2018-07

Shimakaze-kun Challenge Shippai

Seieki Tamekomi Challenge

Akari Challenge

Monthly Shounen Zoom 2024-03

(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)

Monthly Vitaman 2007-08

[ro] Ookami to Akazukin Ch. 2 (Monthly QooPA 2014-09) [Chinese] [E个人汉化] [Digital]

Misaki-chan no Lotion Challenge

(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]

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

i-ll-make-you-understand-challenge

Kodomo de Challenge 2

[d.a.p] UnknownUnlockChallenge

[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [Chinese] [落莲汉化组] [Digital]

Tanpan Kozou no Oppai Gym Challenge!

Monthly Vitaman 2011-07 [Digital]

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

[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1 [English] [redCoMet]

Monthly KaraOso Omnibus

(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)

[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]

[inari mochi] Swimsuit Challenge

Mont Barbara no Inran Shimai | Laissez Fayre Horny Sisters

Osananajimi-chan Ikase Challenge

Kasshoku Oneesan no Fudeoroshi Ver.4.1

Okusama Challenge - Challenge of Wife

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

Monthly QooPA 2014-11 [Digital]

Yuusha no Sairoku Hon Challenge

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

[Usakun] Kongetsu no Wanko. | This Month's Doggy (Hatsukoi! Lyrical H) [English] [Digital]

[Yonemochi Akihiko] adult challenge 1

[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]

Monthly Vitaman 2007-04

Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.

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

[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]

[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]

[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer) [Chinese] [不咕鸟汉化组]

Supervised Monthly Ejaculation

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi SNS wa Kiken na Nioi [Chinese] [cqxl自己汉化]

[Niliu Chahui] Male Swimsuit Challenge [English]

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 [Digital]

Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge

Maki Nico Lez Challenge

Challenge Hanayome Ichinensei

[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) | Middle Schooler in a Cock Filled Room for 1 Month Challenge!! (Pt. 2) [English] [DMC] [Digital]

[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB=

Monthly Megastore 2021-12

One Month of One Shota Life in the Village! ch.3

Saimin Appli Challenge!!

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

/ruːt/-47th Month

[Higashino Mikan] Umi to Nikuyoku | The Sea and Lust (Monthly Vitaman 2013-10) [English]

Monthly Vitaman 2008-08

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

(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi

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

Monthly Vitaman 2015-05 [Digital]

[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]

Utsuho Challenge!!

(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)

Onna Kentoushi no Shakuhou o Kaketa Chousen | The Liberation Challenge of a Female Knight

Saimin Tengoku Challenge 04

[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]

[Kawai] ETD Challenge.

Monthly Vitaman 2007-03

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

[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]

Pancakes Challenge

(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4

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

Pancakes Challenge | Desafío de Panqueques

Kasen-chan no Jasen Rouraku Challenge

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

Petit Xu Lewd Challenge (Revenge Edition) + Extras

Prinz Eugen Otokoyu Sennyuu Challenge

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

(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! (Pokémon Scarlet and Violet)

[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]

[Hara] Misaki-chan no Lotion Challenge

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

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

Monthly 'Aikawa' The Chief Editor Chp. 4

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

[Yoriu Mushi] Kokuu Kara no Chousen - Challenger from the Sky

Namanama Shandy Gaff (nf4)] Lap-sama no Dosukebe AV Challenge ~ Jokanbu o Soete (Laplus Darknesss, Takane Lui) [Digital]

Monthly Vitaman 2017-08 [Digital]

[Sa-Ki] Honoka Challenge! (Love Live!)

Monthly Vitaman 2014-03

Naisho no Enkou Challenge | 不可告人的援交挑战

Dairoku! Otoile Challenge 2

[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1

[Kuon Michiyoshi] HUNDRED GAME Ch. 10 (Monthly Vitaman 2015-10) [Chinese] [樱翼汉化组]

[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)

Hajimete no Inpio Challenge

[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]

Time of the Month

Kasen-chan no Jasen Rouraku Challenge

[MelonBooks] Monthly MelomELO Mar.2014

Monthly Vitaman 2006-12

Kuroneko Kamen Maudlin

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

Futanari Milk Challenge 4 | 扶她榨乳挑战 4

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

Monthly Vitaman 2017-04 [Digital]

Girls from a Prestigious School Challenged to an Escape Game

Happy Aphrodisiac Challenge

Nanjamo to Ura Gym Challenge!! | 奇树的秘密相声挑战!!

Nanjamo to Ura Gym Challenge!! | 奇树的秘密道馆挑战!!

Kagi Catch Challenge 2

[Mizu] Kids Challenge [English]

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

[DIN] Seieki Tamekomi Challenge | Semen Storage Challenge [English]

[Kazuma Muramasa] Yukizuri Hot! (Monthly Vitaman 2011-03)

[dotsuco] Nametake Challenge!

Monthly Gekiman Special 2012-11 [Incomplete]

(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)

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

Monthly Vitaman 2014-04

Kasshoku Oneesan no Fudeoroshi Ver. 3

[Karma Tatsurou] Saraware (Monthly Vitaman 2012-08) [Chinese]

Futanari Milk Challenge

Monthly Vitaman 2013-06

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

Jeanne no Nikubenki Challenge

[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB= [Colorized]

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

Kouiu Koyuki mo Dou desu ka?!

Kyokon Shoujo Nyoudou Challenge!

Akatsuki-chan Mayonaka no Otoile Challenge

Double Up Challenge!

Mian no Gal Challenge | Mian's Gyaru Challenge

Koukotsu no Ori

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

Aisha Challenge 4

(C83) [Super Sentou, The Shakya (Fukutarou, Oke)] Gekkan Otona no RitsuMio Zoukangou | Monthly RitsuMio for Adults - Special Edition (K-On!) [English] [Yuri-ism]

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

Monthly Vitaman 2006-10

TS-kko Otokoyu Challenge! | TS女孩男浴大作战！

[Torimogura] Osananajimi-chan Ikase Challenge