(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
[Touka Genteki] Kansatsu Shippai Shuu Vol. 7 ~Sonota Kisai Naiyou Hen~ - Audit Failure Cases [Digital]
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
Pancakes Challenge
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
[Satou Souji] Akaten Doushi | Comrades in Failure (COMIC Shitsurakuten 2013-12) [English]
Futanari Milk Challenge 3
[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]
Aisha Challenge 4
Petite Jolyne Lewd Challenge + Extras
Matai Toshi Fail 001
[Morittokoke (Morikoke)] Eiketsu Ninja Gaiden ~Haiboku Hen~ | The Champion's Ninja Side Story ~Failure~ (The Legend of Zelda) [English] =TLL + mrwayne= [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]
Ko-Gil Challenge
Seieki Tamekomi Challenge
Challenge Week
[Kumano Tooru] Shippai wa Seikou no Moto? | Failure Teaches Success? (Anata to Dakara Shitai Koto) [English] {NecroManCr}
Shippai! Otori Sousa | Failure! Investigation Bait
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 | Chaldea Outdoor Challenge with Abby-chan 3 (Fate/Grand Order) [Digital] [English] [The Blavatsky Project]
Price of cast "Berserk" fail.
(C88) [Shinobi-Rocket (Sasamashin)] Akatsuki Challenge! (Kantai Collection -KanColle-)
Akari Challenge
[Ryu-Seki-Do (Nagare Hyo-go)] 炎姫様スワップ ( Chivalry of a Failed Knight, The Asterisk War )sample
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
Comrades in Failure
Kasen-chan no Jasen Rouraku Challenge
Dairoku! Otoile Challenge
Renzoku Kyousha Challenge
Kanoka Challenge_plot 2
TS-kko Otokoyu Challenge!
Fail of Witches 5
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
Yuusha no Sairokubon Challenge
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
[Mist Night (Co_Ma)] Operation Fail Comic 2
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
UnknownUnlockChallenge
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3
Challenge Completed!
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]
Toka 1 hour drawing challenge (ichizikann)
Petit Xu Lewd Challenge (Revenge Edition) + Extras
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
[Mizu] Kids Challenge
Backstage Hibiki Challenge
Dr.BUG Containment Failure
Capture Fail doujins.com
Sabela Henshin Failure
Doki Doki ❤ Ticket Challenge!
[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
Transformation Failure
Futanari Milk Challenge 5 | 扶她榨乳挑战 5
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
I Challenge You!
JK Tamamo no Shuugaku Ryokou Oppai Challenge
Toppatsusei Bokki Shoukougun ~Jii Fuzen o Soete~ | Idiopathic Erectile Syndrome: When Masturbation Fails
[Hanafuda Sakurano] Shippai wa Seikou no Moto? | Failure teaches success? (COMIC BAVEL 2017-02) [English] [Tea Eye Loser] [Digital]
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)
(C69) [Digital Tambourine (hiiaru)] AbfaIL (Various)
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
(C94) [Eccentric Girl (Asagiri Rira)] Shippai Bunny - Failure of Bunny Suit (Dragon Quest XI)
Kyokon Shoujo Nyoudou Challenge!
[Mist Night (Arniro)] Hell Of Swallowed [Operation fail Rei] [English]
(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]
#SoniCha Ikuiku Challenge
(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [English] {Hennojin} [Digital]
Eiketsu Ninja Gaiden ~Haiboku Hen~ | The Champion's Ninja Side Story ~Failure~ =TLL + mrwayne=
Kyoudai Shikkaku | Failing as Brother and Sister
Honoka Challenge! 2