(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
[Kidocch1] Cute Jolyne Lewd Challenge (Revenge Edition) + Extras (Jojo's Bizarre Adventure) [Cryptic_P]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]
U Challenge
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]
Angel's stroke 137 Yui-chan Challenge!! 2
Prinz Eugen Otokoyu Sennyuu Challenge
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
[Dokudenpa Jushintei (Kobucha)] Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画 [Chinese] [同文城] [Digital]
Nobeta ga Shippai shite mo Joshinzou ni Modorenakatta Ohanashi | A story about Nobeta not returning to the Goddess Statue even though she failed
fav*exp15 ○○○Challenge
Haha de wa Dame nano desu ka | Am I a Failure as a Mother?
Tokuiten Shuusei Shippai | Singularity Repair Failure
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
Cute Jolyne Lewd Challenge + Extras
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
Operatioln Fail Comic 2
Natsukoi Challenge | Summer Love Challenge
Kanade Challenge Kouhen
Seieki Tamekomi Challenge
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
Riko to Prushka no Paizuri Challenge
Hahaoya Shikkaku Boshi ~Mikan to Souya~ | Mother's Failure Mother and Son -Mikan and Souya-
Shimakaze-kun Challenge Shippai
(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
F6 Matsuno Karamatsu no Sex Challenge
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
[Aotsu Umihito] Transformation failure (COMIC Megastore H 2013-05) [English]
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
Yui-chan SEX Challenge!!
Akane-chan Challenge! 2-kaime
Challenge! Hentai Majo Rensei
Kodomo de Challenge 4
Kanoka Challenge_plot 2
Kodomo de Challenge 2
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou | Remilia's Challenge (Touhou Project) [English] [UMAD]
Six Fanarts Challenge NSFW Pack
(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
Kanade Challenge Zenpen
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
[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]
(Kono Koe Todoke, Tsuki made mo Yon) [Milk Pudding (Jamcy)] Akane-chan Challenge! 3-kaime (VOICEROID)
Planning AV: One towel men's bath challenge in St. Louis and Honolulu
(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]
One-shota Challenge
(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)
Chaldea Outdoor Challenge Abby-chan to Issho 3
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Akatsuki no Oyome-san Challenge
Kyokon Shoujo Nyoudou Challenge!
Hahaoya Shikkaku Boshi -Mikan to Souya- | Mother's Failure Mother and Son -Mikan and Souya-
Namaiki Kuchikukan Wakarase Challenge
[Gosaiji] Captain Saimin Icha Love Challenge (2D Comic Magazine Saimin Kyousei Wakan Ijirare Heroine Mesukoi Acme! Vol. 1) [Chinese] [村长个人汉化] [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
#SoniCha Ikuiku Challenge
Dairoku! Otoile Challenge 2
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
W Jeanne to Off-Paco Challenge
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
!! QUEST FAILED !! ~ Junketsu no Bakunyuu Seijo , Rezusakyubasu no Shokushu Kairaku Seme ni Tsu ~
(C85) [Viento Campanilla (Suzuhane Suzu)] Welcome to Black Harem ~Gebokuka Shippai~ | Welcome to Black Harem - Servant's Failure (To Love-Ru Darkness) [English] {doujin-moe.us}
Oshikko Challenge!? | 小便挑战!?
Osananajimi-chan Ikase Challenge
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
落第騎士本サンプル Chivalry of a Failed Knight sample
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project) [Digital]
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [English] {Hennojin} [Digital]
催眠天国 Challenge 03
Captain Saimin Icha Love Challenge
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
Futanari Milk Challenge | 扶她榨乳挑战
[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)
[Satou Souji] Akaten Doushi | Comrades in Failure (COMIC Shitsurakuten 2013-12) [English]
Okei-san no Nukinuki Dosukebe Challenge
[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]
Kasen-chan no Jasen Rouraku Challenge
Kanako Challenge
Kono Da-Maid to Mitsudan o! | Private Talk With a Failure Maid!
Maki Challenge
Jikken Shippai | Failed Experiment
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
The Price of Failure
HERE COMES A NEW CHALLENGER!!
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
Akane-chan Challenge! 2.5-kaime
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
(Koyama Shigeru) Witch's Failure ~Gyakushuu no Harama-sex~ | Witch's Failure ~Counterattack Pregnan-sex~ (2D Comic Magazine Mesugaki Haramase Seisai! Wakarase Chakushou de Omedeta Mama Debut Vol. 1) [English] [Rainsong]
Price of cast "Berserk" fail.
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Koumon Kakumei Stella* - *analrisk stella*
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
Sanae Challenge!!
Futanari Milk Challenge 5 | 扶她榨乳挑战 5