(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
Otou-san Challenge
(CR33) [SEARCH & DESTROY (TAMAKI)] DAZE8 (Kiddy Grade)
Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Jisatsu Challenge | 自殺挑戰
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]
(C71) [SOLEX (TOKU, Sanomako)] RURIMIX SP6 (Martian Successor Nadesico)
W Jeanne to Off-Paco Challenge
TS-kko Otokoyu Challenge!
Nanjamo to Ura Gym Challenge!! | 奇树的秘密道馆挑战!!
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) | Middle Schooler in a Cock Filled Room for 1 Month Challenge!! (Pt. 2) [English] [DMC] [Digital]
(COMITIA121) [furuidorikiddo (rususu)]senrinikuyuruhoshizukiyo [Chinese] [寂月汉化组]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
(C63) [Poyopacho (UmiUshi)] Poyopacho M2 (Final Fantasy X, Kiddy Grade)
Chaldea Outdoor Challenge Abby-chan to Issho 3
Kaye-nee Challenging Herself in Volleyball
Shizuku to Airi no 1-kagetsu Dousei Challenge!! | 雫和愛梨的一月同居挑戰!!
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
催眠天国 Challenge 03
(CR33) [EXtage (Minakami Hiroki)] EXtra stage vol.9 (Kiddy Grade)
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
#SoniCha Ikuiku Challenge
Planning AV: One towel men's bath challenge in St. Louis and Honolulu
[laliberte] CHALLENGE [Chinese] [流木个人汉化]
Toka 1 hour drawing challenge
Saimin Appli Challenge!!
Petit Xu Lewd Challenge (Revenge Edition) + Extras
(Challenger! 29) [Udon no Hoshi (Saikyo Don)] Terasu Sekai de Uketomete -Zenpen- - The Catcher in the Tera world. (Pokémon Scarlet and Violet)
[Chuushin Kuranosuke] Like a KIDDING! Ch.1 - Identical Twins [English] [Uncensored]
Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?
Seieki Tamekomi Challenge
[dotsuco] Nametake Challenge!
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 | Chaldea Outdoor Challenge with Abby-chan 2 (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
Hana Challenge!
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
Dairoku! Otoile Challenge
(SC20) [Neko to Hato (Hatoya Mameshichi)] Venus (Kiddy Grade)
Saimin Tengoku Challenge 05
[IRODORI (SOYOSOYO)] Soyosoyo's Works 6 (Kiddy Grade, Sakura Taisen)
Tanpan Kozou no Oppai Challenge!
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
DeKatsu no Osasoi Challenge!
Naisho no Enkou Challenge | Secret Sugar Daddy Challenge
[Nozarashi (Nozarashi Satoru)] Shizuku to Airi no 1-kagetsu Dousei Challenge!! (THE iDOLM@STER CINDERELLA GIRLS) [Digital]
You Are Challenged by Kogal Takuha | La Sfida
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
(C96) Dairoku! Otoile Challenge
Prinz Eugen Otokoyu Sennyuu Challenge
[zen9] Okusama Challenge - Challenge of Wife
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
Okosama Ebi Maid! | A Kiddy Serving of Maid Shrimp!
Kids Challenge
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
ARE YOU FxCKING KIDDING ME!?
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
[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}