[Pyonchi Koubou (Pyonchi)] Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
[Kawai] ETD Challenge.
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [Digital]
Monthly Vitaman 2017-05 [Digital]
[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]
Space Detective Jade Dan Indecent Challenge
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Dousei Seikatsu Ikkagetsume to Ichinen Ato, Asaokite kara Shuushin made no Hikaku | A Day in the Life of a Couple: Their First Month Living Together vs. One Year Later
I Challenge You!
Monthly Shounen Zoom 2024-05
Monthly 'Aikawa' The Chief Editor Chp. 7
Monthly UriboZakkaTen Feb.28,2020
[Momonosuke] Sex Communication (Monthly Vitaman 2017-01) [Chinese] [不負責任個人漢化]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
Monthly Vitaman 2016-10 [Digital]
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
Monthly Vitaman 2016-02
(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]
Double Up Challenge!
(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
Flan-chan no Saimin Nikubenki Challenge
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Digital]
Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?
UnknownUnlockChallenge
Monthly Vitaman 2015-10
Kodomo de Challenge 2
Seieki Tamekomi Challenge
Kasen-chan no Jasen Rouraku Challenge
[Homura Subaru] Milky Succubus Lyli 4 (Monthly QooPA 2015-02) [Digital]
[Labomagi! (Takeda Aranobu)] Ecchi na Onee-san wa, Suki desu ka? 4 ~Tonari no Onee-san to Ikkagetsukan, Anata no Suki Ho | Do You Like Naughty Older Girls? 4: All You Can Fuck Sex for a Month With the Girls [English] {2d-market.com} [Decensored] [Digital]
[Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [Digital]
[Akinao] Kasumi to Ren-nii-chan (Monthly Vitaman 2016-06) [English] {NecroManCr}
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!)
Kagi Kyacchi Charenji | Key Catch Challenge
Kanoka Challenge_plot 2
At first glance, it looks like a man swimsuit challenge + Textless + Bonus
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! (Pokémon Scarlet and Violet)
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
Kanako Challenge
Oshikko Challenge!? | 小便挑战!?
[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [English] [Kappasa] [Digital]
(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}
Futanari Milk Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi | Brown Lady Takes His First Time [English] [Chocolate] [Digital]
Matsuno Osomatsu no Sex Challenge
[InuCream (InuCreamice)] 100 day TS challenge (chinese)
Utsuho Challenge!!
[Utsutenkai (Shirizou)] Katabutsu Iinchou to NTR Play ni Challenge Suru Hon / Book About A Tightly Wound School Council President Challenging Herself To Do Some NTR Play [English] {Doujins.com}
Kanoka Challenge_plot 2
Demonic Onsen Paizuri (EscapeFromExpansion)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
[Kidocch1] Cute Jolyne Lewd Challenge (Revenge Edition) + Extras (Jojo's Bizarre Adventure) [Cryptic_P]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1
#SoniCha Ikuiku Challenge
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
(C78) [WORLD BOX, Bon's (Yuu, Sumeragi Sora)] 2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months (Durarara!!) [English] [ebil_trio]
Futanari Milk Challenge 2 | 扶她榨乳挑战2
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
HERE COMES A NEW CHALLENGER!!
[Comeon Showme] Unhappy Now Year (Monthly Vitaman 2013-02) [English] [Krozam]
Akane Challenge!? 2
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
[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]
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
Tsuki Ichi Onnanoko | Monthly Girl
Monthly QooPA 2014-08
Something unbelievable happened when I stopped time for 1 month and violated a 42 year old hikikomori woman
Monthly Vitaman 2007-11
[hal] Kinugasa Minto Keiki 1-nen 6-kagetsu | Kinugasa Minto Sentence 18 Months (Mesu Ana Muhou Chitai Muyou no Chitsu-nai-dashi Choueki) [English]
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Grand Order)[三色的大猩猩翻譯同盟]
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[dotsuco] Nametake Challenge!
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
Mont Barbara no Inran Shimai | Mom Barbara's Horny Sisters
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Akane-chan Challenge! | 아카네짱 챌린지!
Monthly Vitaman 2010-02
[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
[Karma Tatsurou] Saraware (Monthly Vitaman 2012-08) [Chinese]
Monthly Vitaman 2007-10
[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]
Doki Doki ❤ Ticket Challenge! | 心跳不已的搶票大挑戰!
Maki Nico Lez Challenge
Girls from a Prestigious School Challenged to an Escape Game
Monthly Vitaman 2016-01
Rika no Oshiri Challenge
[Jyoka] Igyou Kaikitan Hasshaku-sama (Monthly QooPA 2014-12) [Digital]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]
Monthly QooPA 2015-01 [Digital]
Kyokon Shoujo Nyoudou Challenge!
Chaldea Outdoor Challenge Abby-chan to Issho 3
[d.a.p] UnknownUnlockChallenge
Chaldea Outdoor Challenge Abby-chan to Issho 3
[deadflow] Ui (Kukagetsu) | Ui (Eight months pregnant) (Blue Aka-chan IN-bu) (Blue Archive) [Chinese] [Digital]
[Mariana Kaikou Kikaku (Mikami Hokuto)] Shimakaze-kun Challenge Shite Itara, Mogami-kun ni Encount Shita Ken. (Kantai Collection -KanColle-) [Digital]
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID) [Chinese] [古早个人汉化]
Monthly 'Aikawa' The Chief Editor Chp. 5
New Challenges
Monthly Vitaman 2013-04
Nanjamo to Ura Gym Challenge!! | Iono's Secret Challenge!!
Kasshoku Oneesan no Fudeoroshi SNS ha kiken na nioi
Monthly Vitaman 2014-08
(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]
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [Self Translation]
[MelonBooks] Monthly MelomELO Jun.2014
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
Kodomo de Challenge 3
Nanjamo to Ura Gym Challenge!!
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
Tickle Massage Chair Mini - Million Yen Challenge
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)
Mahiru's men's swimsuit challenge
Maki Nico Lez Challenge
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project)
Monthly Vitaman 2013-07
Honoka Challenge! 2
Saimin Tengoku Challenge 04
Futanari Milk Challenge 3
Kanoka Challenge_plot 2
[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]
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou | Remilia's Challenge (Touhou Project) [English] [UMAD]
Dairoku! Otoile Challenge
Kanoka Challenge_plot 3| 花乃香的难题_情节3
adult challenge 1
Futanari Milk Challenge | 扶她榨乳挑战