[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
Akane Challenge!? 2
Otou-san Challenge
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
Akatsuki-chan Mayonaka no Otoile Challenge
[Mizu] Kids Challenge [English]
Pancakes Challenge
Operation Fail - Arniro111
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
Yuusha no Sairokubon Challenge
(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]
[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]
(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
Sennou Fuchou no Obenjo Challenge Isshuukan!
mission failed
Operation Fail [Japanese] - Arniro111
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
Petite Jolyne Lewd Challenge + Extras
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
Kyokon Shoujo Nyoudou Challenge!
[Kumano Tooru] Shippai wa Seikou no Moto? | Failure Teaches Success? (Anata to Dakara Shitai Koto) [English] {NecroManCr}
CHALLENGE
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
(SPARK12) [Kaniparadise (Kanitaro)] mission failed (Persona 5)
Maki Nico Lez Challenge
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
Tanpan Kozou no Oppai Challenge!
Kids Challenge
Futanari Milk Challenge | 扶她榨乳挑战
[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]
Namaiki Kuchikukan Wakarase Challenge
Shippai! Otori Sousa | Failure! Investigation Bait
(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}
[Yoriu Mushi] Kokuu Kara no Chousen - Challenger from the Sky
Cute Jolyne Lewd Challenge + Extras
Challenge Completed!
Seieki Tamekomi Challenge
Fail of Witches 5
Kanade Challenge Kouhen
Akari Challenge
Tenkuu no Hanayome ni Narenakatta Onna II | The Woman Who Failed to Become the Heavenly Bride II
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
Kanoka Challenge_plot 2
Captain Saimin Icha Love Challenge
OPERATION FAIL COMIC
[Akikusa Peperon] Hahaoya Shikkaku | A Failure of a Mother - Chapter 1-3 + Special [English] [joobuspaida]
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Digital]
Saimin Tengoku Challenge 06
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
(COMITIA119) [squeezecandyheaven (Ichihaya)] Imouto wa Juken ni Ochita | My little sister failed her entrance exam. [English]
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
Kasen-chan no Jasen Rouraku Challenge
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
Toka 1 hour drawing challenge
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)
DokiDoki Mesuiki! Challenge!!
Toppatsusei Bokki Shoukougun ~Jii Fuzen o Soete~ | Idiopathic Erectile Syndrome: When Masturbation Fails
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)
Ero Trap Dungeon no Challenger
[Atmosphere, Limit Break (Yuugo, Bob Jr)] Heavens Failure Vol. EX2 Emiyake (Fate/stay night)
Utsuho Challenge!! ~Yobai ni Chousen~
Six Fanarts Challenge NSFW Pack
落第騎士本サンプル Chivalry of a Failed Knight sample
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Flan-chan no Saimin Nikubenki Challenge
冬コミ新刊 「紅蓮の牝皇女」 Chivalry of a Failed Knight sample
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! (Pokémon Sword and Shield) [Chinese]
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
I Challenge You!
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
i-ll-make-you-understand-challenge
Dr.BUG Containment Failure
Imouto wa Juken ni Ochita | My little sister failed her entrance exam.
Petit Xu Lewd Challenge (Revenge Edition) + Extras
Kouryaku Shippai | Failed Caputre
Yuusha no Sairoku Hon Challenge
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
Backstage Hibiki Challenge
[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
Transformation Failure
Futanari Milk Challenge
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
(COMIC1☆6) [Roshiman (Masa-nii)] Tenkuu no Hanayome ni Narenakatta Onna II | The Woman Who Failed to Become the Heavenly Bride II (Dragon Quest V) [English] [Chocolate]
TS-kko Otokoyu Challenge!
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
Shizuku Challenge! Takumin Hitsuji-san no Chichishibori! RX
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
Reiwa Shasei Challenge
Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge