[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
(COMIC1☆8) [Waffle Doumeiken (Tanaka Decilitre)] Hana to Mitsu - Flower and Honey (Captain Earth) [English] [Fated Circle]
U Challenge
(C87) [Yakumi Benishouga] Pachimonogatari Part 0: Shinobu Monologue (Bakemonogatari) [English] {TSHH}
Kyokon Shoujo Nyoudou Challenge!
[TEMPLE (Tenrai)] Okaasan Gokko [English] [Digital]
(C92) [Little Hamlet (Kiira)] Komeiji Satori no Aozora no Shita de.... (Touhou Project) [Chinese] [脸肿汉化组]
[Ohnuma Hiroshi] Mou Ikuchu Neru to Natsuyasumi! (COMIC LO 2014-10) [English] {Mistvern}
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [Textless]
(C86) [Yadokugaeru (Locon)] Natsu no Takenawa
[Terujirou] Junior Dominating Senior Challenge!
(C87) [Onsoku Ubaguruma (Uba Yoshiyuki)] undressing, discharging (Touhou Project) [Chinese] [靴下汉化组]
[Futanarun (Kurenai Yuuji)] Futanari Musume ni Okasarechau! 2 [English] [Kusanyagi] [Digital]
Namanama Shandy Gaff (nf4)] Lap-sama no Dosukebe AV Challenge ~ Jokanbu o Soete (Laplus Darknesss, Takane Lui) [Digital]
(C85) [Tsunken (Men's)] Chou Nemesis vs Momo (To LOVE-Ru) [English] {doujin-moe.us}
[MARUTA] Choushin de Mukuchi no Kanojo ga Hatsujou Shite Kitara Eroiyo ne?
[Hanamaki Kaeru] Otokonoko wa Ore no Yome Ch. 2, 3, 5-7, 11, 14 [English] [mysterymeat3]
Ane☆Volleyball Challenge
(C86) [Aozora Shoujo (Shirane Taito)] Onedari Iorin (THE IDOLM@STER) [Chinese] [脸肿汉化组]
[Digital Lover (Nakajima Yuka)] DLO-03 Kare to no Yakusoku 3 [English] [Digital] {doujins.com + Hennojin}
[Alp] Honey Trap [Digital]
Ero Trap Dungeon no Challenger
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密道馆挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]
(CSP6) [A Color Summoner (Kara)] BEET UP! (THE IDOLM@STER CINDERELLA GIRLS)
Aisha Challenge 4
(C81) [KIGI (Kamome)] LOVELY LOVELY (Uta no Prince-sama) [Incomplete]
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
Renzoku Kyousha Challenge
[Minami] Ojou-sama no Hajimete Keikaku! (COMIC BAVEL 2017-09) [English] {Hennojin} [Digital]
[Pyonchi Koubou (Pyonchi)] Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
(C92) [PYPYworks (Syamonabe)] Alola Fever!!! (Pokémon Sun and Moon)
[Nekonomori Maririn] The Dog Show Ch. 1-14 [Digital]
[Kawai] ETD Challenge.
(C84) [Aozora Shoujo (Shirane Taito)] Iorin no Natsumatsuri (THE iDOLM@STER)
[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]
(C89) [Studio Wallaby (Kura Oh)] Asuka no Kyuujitsu | Asuka's Holiday (Neon Genesis Evangelion) [English] =SNP=
COMIC LO 2015-06
(C90) [Puratina no Sakana (Orihara Kotone)] Nangoku e Youkoso (Fire Emblem if) [English] [cedr777]
Space Detective Jade Dan Indecent Challenge
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
I Challenge You!
[Shouji Ayumu] Chiccha-na Onaka | Tiny Belly [English] [Rin]
[Satsuki Imonet] Toshi Densetsu Bitch -Joshikai- Ch. 1-8 [English] [Hennojin] [Digital]
[69EROTIQUE] Uwasa no Goreijo - HIMEKO Still in the WRONG World
(C88) [Shiawase Pullin Dou (Ninroku)] Package Meat 11 (Queen's Blade) [English] [Aika-Traducciones]
[Tetsu] Puniman Musume Ch.1-4 [English] [biribiri]
[Shouji Ayumu] That Thing From a Year Ago (Comic LO 2014-11) [English] {5 a.m.}
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
COMIC Mate Legend Vol. 16 2017-08 [Digital]
COMIC Shitsurakuten 2015-04
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
(Kouroumu 12) [Youyoumu (Nigo)] Hontou no Kimochi ~Youmu days~ | True Feelings ~Youmu Days~ (Touhou Project) [English] [ATF]
(C86) [Yadokugaeru (Locon)] Natsu no Takenawa [Chinese] [空想少年汉化]
Double Up Challenge!
Undressing Parsee continued!
[Hanainu] Shoujo Kaihouku [Chinese]
(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[Michiking] Ane Taiken Shuukan | The Older Sister Experience for a Week [English] [PSYN] [Digital]
[Soushamoku] SKY high LOVE You (COMIC BAVEL 2016-08) [Chinese] [最愛路易絲澪漢化組]
Flan-chan no Saimin Nikubenki Challenge
Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?
[Ponsuke] Namaiki Shojo | Impudent Girls [English] {5 a.m.}
UnknownUnlockChallenge
[SGK] Share★Chin (Otokonoko Jidai Vol. 8) [Chinese] [夜願漢化]
Kodomo de Challenge 2
COMIC Kairakuten BEAST 2014-08
[utu] Sakura Toiki | Sakura Sigh (Irohanioedo) [English] {TripleSevenScans}
[Umino Sachi] Dare ni mo Ienai... Ch. 37 - Yorokobi no Asa | Morning Delight (COMIC Bazooka 2011-10) [English]
(COMIC1☆7) [grand-nauts (Hirose Madoka)] Cookie Bouquets (DATE A LIVE)
Seieki Tamekomi Challenge
[Tomono Hiro] Hoshigari Girlfriends - Wanting Girl Friends [Digital]
[Akigami Satoru] Nakadashi de GO! | Go by Creampie (Kihon Muryou Kanojo NG Nashi) [English] =StatisticallyNP=
[Michiking] Ane Taiken Shuukan | The Older Sister Experience for a Week ch 1-5 [English] [PSYN] [Digital]
Kasen-chan no Jasen Rouraku Challenge
[Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [Digital]
[Samidare Setsuna] Imouto Concerto [Chinese]
[Harusawa] Hachigatu, Kanojo wa Uso wo tsuku. [Chinese] [無邪氣漢化組]
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)
[KESSON SYOUJYO] KESSON SYOUJYO MEMORIES End [Digital]
COMIC LO 2013-12 Vol. 117
Kanako Challenge
(C93) [ASGO (Zanzi)] Karada o ULyria | Lyria's Prostitution (Granblue Fantasy) [English] {Manongmorcon + Suziiki}
[Uran] Itsu no Manika Shoujo wa | The Girl I wasn't Aware of [English] [Rin]
Oshikko Challenge!? | 小便挑战!?
(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
Matsuno Osomatsu no Sex Challenge
[InuCream (InuCreamice)] 100 day TS challenge (chinese)
Utsuho Challenge!!
(Sennen☆Battle Phase 9) [ANNIELAURIE (Toyama Nanao)] GALACTIC SHINKON LORD (Yu-Gi-Oh! Zexal) [English] [Tigoris]
[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
[Kizuka Kazuki] Chigiri Ame (COMIC Kairakuten 2017-09) [Chinese] [前线作♂战♀基地] [Digital]
(C89) [sarfatation (Sarfata)] Zuihou-chan to Date no Nochi ni (Kantai Collection -KanColle-)
[Tetsu] Puniman Musume Ch.1 [English] [biribiri]
[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)
[Tamachi Yuki] Kore demo Otona Desu Kedo! Mrs.LOLITA
[Kaiduka] Tayun Purun Monyun [Chinese] [篆儀通文書坊漢化]
#SoniCha Ikuiku Challenge
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
(C85) [Yakumi Benishouga] Pachimonogatari: Shinobu Happy Route (Bakemonogatari) [English] [Tigoris]
[Shono Kotaro] Takeout Honey
Futanari Milk Challenge 2 | 扶她榨乳挑战2
[Hanamaki Kaeru] Boku no Ojuken (Gekkan Web Otoko no Ko-llection! S Vol. 12) [Chinese] [瑞树汉化组] [Digital]
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
HERE COMES A NEW CHALLENGER!!
Akane Challenge!? 2
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Mame] Milk Crown [Chinese]
(In Full Color) Crimson Girls Full Edition In Separate Volumes, Part 4 Saki Nanase
[Abubu] うままん
(C88) [Shiawase Pullin Dou (Ninroku)] Package Meat 11 (Queen's Blade)
(C87) [MuraMura Pocky, Sinosino (Kasumi, Sinohara Sinome)] Cherrypie Sensation (Love Live!) [English] [Yuri-ism]
COMIC Potpourri Club 2015-09
(COMIC1☆8) [WASABI (Tatami)] hundred sweet chocolates [princess 2nd]
[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.
[Suihei Sen] Kono Machi de Mou Ichido | 在這街道上再一次 (COMIC HOTMILK 2018-07) [Chinese] [兔司姬漢化組] [Digital]
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ | 女孩子補給品 性轉換之後保健的授業 [Chinese]
[Dekochin Hammer] Oniichan no Sei Dakara ne!! | It's Your Fault, Onii-chan! (COMIC LO 2015-02) [English] [Hot Cocoa]
[dotsuco] Nametake Challenge!
SB undressing mahjong 29836881
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
COMIC Masyo 2015-08 [Digital]
Akane-chan Challenge! | 아카네짱 챌린지!
[Kamino Ryu-ya] Eroi Ko tte Omowarechau kana [Chinese] [篆儀通文書坊漢化]
[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]