Challenge Fail

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]

Tomb Failure

(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)

Transformation Failure

[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Digital]

(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge

Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.

Prinz Eugen Otokoyu Sennyuu Challenge

强制喵化2 恐怖游戏^放送事故 | Forced Meow-ification 2 Horror game^Live stream fail gone wrong

[Mizu] Kids Challenge

The Woman Who Failed to Become the Heavenly Bride II

Fail of Witches

[Aotsu Umihito] Transformation failure (COMIC Megastore H 2013-05) [English]

[Ryu-Seki-Do (Nagare Hyo-go)] 炎姫様スワップ ( Chivalry of a Failed Knight, The Asterisk War )sample

[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]

Doki Doki ❤ Ticket Challenge! | 心跳不已的搶票大挑戰！

[Sakimori Dan] Sanae Challenge!! Ch. 1-2

Angel's stroke 140 Yui-chan Challenge!! 3

Dairoku! Otoile Challenge

[Misty Wind (Kirishima Fuuki)] Taimakan Kashima ~Sennyuu Ninmu Shippai Hen~ | Taimakan Kashima Failed Infiltration (Kantai Collection -KanColle-) [English] [Digital]

(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! (Pokémon Scarlet and Violet)

Shippai! Otori Sousa | Failure! Investigation Bait

(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)

Challenge Completed!

Kouryaku Shippai | Failed Caputre

Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan

Kanoka Challenge_plot 3| 花乃香的难题_情节3

Jeanne Alter to Dakkou Challenge!!

Mahiru's men's swimsuit challenge

Twin Challenge ch. 1

(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]

冬コミ新刊 「紅蓮の牝皇女」 Chivalry of a Failed Knight sample

[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]

(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}

[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]

(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)

Kodomo de Challenge 2

Shizuku Challenge! Takumin Hitsuji-san no Chichishibori! RX

Etorofu-gata Otoile Challenge

ETD Challenge.

(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}

[Takeya (Taketora Suzume)] Kuroshio Challenge (Kantai Collection -KanColle-) [Digital]

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)

(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)

Nobeta ga Shippai shite mo Joshinzou ni Modorenakatta Ohanashi | A story about Nobeta not returning to the Goddess Statue even though she failed

Fail Mother: Drawn in Lust

Kanoka Challenge_plot 3

SKB Challenge

[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)

(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2

Utsuho Challenge!! ~Yobai ni Chousen~

Matsuno Osomatsu no Sex Challenge

Koumon Kakumei Stella* - *analrisk stella*

Welcome to Black Harem - Servant's Failure

Tenkuu no Hanayome ni Narenakatta Onna II | The Woman Who Failed to Become the Heavenly Bride II

[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]

Kanako Challenge

Otou-san Challenge

Hina Iinchou Amae Heta Kokufuku Challenge

[Niliu Chahui] Male Swimsuit Challenge [English]

[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]

Dr.BUG Containment Failure

[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]

(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)

Futanari Milk Challenge | 扶她榨乳挑战

Seieki Tamekomi Challenge

(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]

Jikken Shippai | Failed Experiment

(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]

（C96） Dairoku! Otoile Challenge

(C101) [Nasi-pasuya (Nasipasuta)] Tokuiten Shuusei Shippai | Singularity Repair Failure (Fate/Grand Order) [English] [Coffedrug]

Mission failed 16

Operatioln Fail Comic 2

Onii-chan swallowing challenge！

Saimin Appli Challenge!!

(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)

Futanari Milk Challenge 2 | 扶她榨乳挑战2

(Challenger! 29) [Udon no Hoshi (Saikyo Don)] Terasu Sekai de Uketomete -Zenpen- - The Catcher in the Tera world. (Pokémon Scarlet and Violet)

Tokuiten Shuusei Shippai | Singularity Correction Failure

Otokoyu Challenge Suru Ko

(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)

[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]

[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]

Dr.BUG Containment Failure

(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5

Mission failed 2

(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)

Naisho no Enkou Challenge | Secret Sugar Daddy Challenge

Kanoka Challenge_plot 2

Tokuiten Shuusei Shippai | Singularity Repair Failure

(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]

[Sa-Ki] Honoka Challenge! (Love Live!)

Kono Subarashii Damegami to Mahoutsukai to Seikishi to!! | God's Blessing On This Wonderful Failed Goddess, Sorceress, And Holy Knight!!

Sabela Henshin Failure

(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]

(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组·改]

(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]

(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]

Reiwa Shasei Challenge

(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)

[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.

催眠天国 Challenge 03

[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]

[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]

[DEX+ (Nakadera Akira)] Kouryaku Shippai 3 | Failed Arrest 3 (Persona 5) [English] [Seyzer Koze] [Digital]

[HGT Lab (Tsusauto)] Kyoudai Shikkaku | Failing as Brother and Sister [English] {Doujins.com}

(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]

Maki Nico Lez Challenge

(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4

(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)

[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}

Saimin Tengoku Challenge 04

[Morittokoke (Morikoke)] Eiketsu Ninja Gaiden ~Haiboku Hen~ | The Champion's Ninja Side Story ~Failure~ (The Legend of Zelda) [English] =TLL + mrwayne= [Digital]

Chiisana Yuusha ga Teki Onna Kanbu ni Tatakai o Idomi Eroi Koto Sareru Hon | The Tiny Hero Challenges The Enemy's Female Leader To A Battle And Gets Some Lewd Shit Done To Him!

Rensei Shippai | Failed Synthetize

Kyokon Shoujo Nyoudou Challenge!

(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 (Sennen Sensou Aigis)

Capture Fail doujins.com

(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]

Nanjamo to Ura Gym Challenge!!

[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project)

Fail Mother 2: Drawn in Lust

Challenge Days

Okay-san no Nukinuki Dosukebe Challenge

[Fukuyama Naoto] Saimin Tengoku Challenge 06 (COMIC BAVEL 2022-02) [Chinese] [萬神殿牛頭人個人漢化] [Digital]

Maki Nico Lez Challenge

CHALLENGE

(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}

[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]

Chaldea Outdoor Challenge Abby-chan to Issho 3

Yuusha no Sairoku Hon Challenge

Makabe no Challenge

Sex Challengers

[Gojarun no Ozashiki (Gojarun)] Nantaika Triad to Yukai na Nakama-tachi Ochinchin Challenge Hon (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

(Angel Time 3) [Syunkan Saidaihusoku, Night FUCKERS (Pony R, Mitsugi)] Phantom Challenge! ~Futari no Domannaka Itadakimasu!~ (Kaitou Tenshi Twin Angel)

[Fukuyama Naoto] Saimin Tengoku Challenge 03 (COMIC BAVEL 2021-02) [Chinese] [零星汉化组] [Digital]

Chaldea Outdoor Challenge Abby-chan to Issho 2

(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}

adult challenge 4

[cherry*pepper (Yukian)] Rensei Shippai | Failed Synthetize (Granblue Fantasy) [English] [aerozext] [Digital]

(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)

Futanari Milk Challenge 6

Kodomo Challenge

#SoniCha Ikuiku Challenge Short Rough Stories

Hina Iinchou Amae Heta Kokufuku Challenge | 日奈委員長的撒嬌困難克服挑戰

Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan