(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
(C85) [Golden Tube (Ogu)] Oshikko Sensei ZERO Prologue
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Maki Nico Lez Challenge
Futanari Milk Challenge 3 | 扶她榨乳挑战 3
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
(C86) [Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei-I
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
[Golden Tube (Ogu)] Oshikko Sensei 4~. [Digital]
Watashi no Oshikko Fubunritsu
[COOL BRAIN (Kitani Sai)] Oshikko Party (Amagami) [Chinese] [Digital]
Akane Challenge!? 2
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]
Kanoka Challenge_plot 2
Ero Trap Dungeon no Challenger
You Are Challenged by Kogal Takuha | La Sfida
[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
TS-kko Otokoyu Challenge!
Oshikko Bokin Shimasenka Won't You Help Me with My Pee Fundraiser
(C90) [Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen
(C90) [Hoobukuro! (Bekotarou)] Himitsu no Hanazono 2 -Oshikko Collection-
[Takashiro Go-ya] Tenshi no Oshikko - Maid Cafe/Diaper chapter [english]
(Akihabara Chou Doujinsai) [mikkyway (mikky)] Oshikko Gaman Dekiru kana? (Gochuumon wa Usagi desu ka?) [Chinese] [白杨汉化组]
(COMITIA104) [Yuuseian (Yuusei Iori)] Oshikko Shitaku Nacchatta [Chinese] [檸檬茶漢化組]
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
[Mametarouya] Oshikko wo Gaman Suru Imouto
W Jeanne to Off-Paco Challenge
Kids Challenge
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Senkan Hen Jou (Kantai Collection -KanColle-) [Digital]
Space Detective Jade Dan Indecent Challenge
HERE COMES A NEW CHALLENGER!!
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
Namaiki Kuchikukan Wakarase Challenge
Challenge Week
[Bunbonian (Bunbon)] Kimochi Ii Koto o Oboechatta Oshikko Honoka-chan (Love Live!) [2014-09-10]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
[Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen | Oshikko Sensei From 3 Years Old - IV - Part One [English] [Decensored] [Digital]
(COMIC1☆13) [Suzu no Oka (Homare)] Kaede-san to Shuga ga Oshikko Mamire de Icha Kora Suru Hon | A book where Kaede-san and Shuga make out covered in pee (THE IDOLM@STER CINDERELLA GIRLS) [English] [EHCove]
Naka de Oshikko Shite | Peeing Inside Vagina
Oshikko Kakete Hoshii Nante... Honki?
I Challenge You!
Kasen-chan no Jasen Rouraku Challenge
[Namiroji (Shiina Nami)] Hainyou Shoujo Hinako no Oshikko Biyori [Chinese] [檸檬茶漢化組] [Digital]
[Bunbonian (Bunbon)] Yuigahama-chan wa Oshikko Server (Yahari Ore no Seishun Love Come wa Machigatteiru.) [2015-05-02]
Chotto Oshikko Suru Nante Kiitenain dakedo!
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Yuusha no Sairokubon Challenge
Maki Challenge
Honoka no Oshikko Oshiete Kudasai
(C82) [Golden Tube (Ogu)] Oshikko Sensei 4 [English] =LWB=
Oshikko wa Mahou - Peeing is Magic
Six Fanarts Challenge NSFW Pack
futanari milk challenge 5
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
[Takashiro Go-ya] Oshikko × Oshikko
[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战! [Chinese] [瑞树汉化组]
Kashima-san to Akimatsuri Challenge
[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]
Okay-san no Nukinuki Dosukebe Challenge
[Mikan Kougyou] Hahaoya ga Musuko no Oshikko o Nomihosu Manga
(COMIC1☆13) [Suzu no Oka (Homare)] Kaede-san to Shuga ga Oshikko Mamire de Icha Kora Suru Hon (THE IDOLM@STER CINDERELLA GIRLS)
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
[COOL BRAIN (Kitani Sai)] Oshikko Party (Amagami) [Digital]
[Tsunaka] Oshikko
[Mizu] Kids Challenge
St. Glo no Oshikko Jijou
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
Tanpan Kozou no Oppai Challenge!
[Pirates Patrol (Otokawa Kazuki)] Unchi ya Oshikko de Kimochiyoku Naru Watashi-tachi [Digital]
Rika no Oshiri Challenge
催眠天国 Challenge 03
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Chinese] [一只麻利的鸽子汉化] [Digital]
[Takashiro Go-ya] Watashi no Oshikko Fubunritsu
Ko-Gil Challenge
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
#SoniCha Ikuiku Challenge
UnknownUltimateChallenge
Akane-chan Challenge! 2-kaime
(COMITIA104) [Yuuseian (Yuusei Iori)] Oshikko Shitaku Nacchatta [English]
[zen9] Okusama Challenge - Challenge of Wife
(C90) ["Tsu" ga Mittsu. (Tsuttsu)] 2-2 Oshikko Soapland e Youkoso | Welcome to the 2-2 Pee Soapland [English] [ATF]
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
(C88) [Circle Ohigetan (Ohigetan)] Ohigebon-64 Chinritsu!! Mucchiri Kyonyuu Gakuen C-Cup - AM 7:35 Sotogawa kara wa Toumei ni Natte Iru Joshi Toile. Seichouki no Onnanoko ga Oppai ya Hibu o Marudashi ni Shite Oshikko Suru no o Kanshou Shihoudai. [English]
[Namiroji (Shiina Nami)] Hainyou Shoujo Hinako no Oshikko Biyori [Digital]
(COMITIA108) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Bokin Shimasenka?
Doki doki♡ Ticket Challenge!
[Lolisin] Oshikko wa Shutter Chance! (Digital Puni Pedo! Vol. 16) [Chinese] [柠檬茶x透明声彩联合汉化]
Toka 1 hour drawing challenge (ichizikann)
Kanade Challenge Kouhen
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Chinese] [Digital]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
(C93) [Suzune Rai Chikashitsu (Suzune Rai)] Noja Loli Babaa Kitsune-sama Oshikko Gamanshi Nagara Teman [English] [BSN]
[Tarakan] Oshikko wa Nomimono desu! -Pee is a Drink!
Seieki Tamekomi Challenge
Oshikko DX2
(C90) ["Tsu" ga Mittsu. (Tsuttsu)] 2-2 Oshikko Soapland e Youkoso [Chinese] [朔夜汉化]
Jisatsu Challenge | 自殺挑戰
Oshikko ☆ Dechau!! for Digital Vol.1
JC Chinpo-beya Ikkagetsu Seikatsu Challenge!
(COMITIA113) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Training! | Pee Training! [English] [ATF]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Keijunyoukan Hen Jou (Kantai Collection -KanColle-) [Digital]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei-V [Decensored] [Digital]
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei-II [Digital]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)
Oshikko wa Maho | Orinar es Magia
(C86) [Kansen Shoujo (Noto Kurumi)] Ryuu Ichaicha Tokidoki Oshikko (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]
Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge
Challenge! Hentai Majo Rensei
(C80) [Golden Tube (Ogu)] Oshikko Sensei 2
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
Kimochi Ii Koto o Oboechatta Oshikko Honoka-chan
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
Oshikko Party 2
[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project)
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Kuropoplar (Nyakkuru)] 3-gou-kun wa Toile (Oshikko) ga Chikai! (Hacka Doll) [Digital]
Male Swimsuit Challenge
[Golden Tube (Ogu)] Oshikko Sensei 2~. [English] =LWB= [Digital]
Oshikko Shiteyo! Masshu Mash
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
(C84) [Usotsukiya (Oouso)] Komeiji-san Kakigoori Oshikko Aji (Touhou Project)
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kuubo Hen Jou (Kantai Collection -KanColle-) [Digital]
[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.
(C89) [Bunbonian (Bunbon)] Kaettekita Oshikko Honoka-chan (Love Live!)
(C95) [88 Gou (Ooishi Chuuni)] Koukando 100 dakara Nagato no Oshikko Mite Kekkon Suru (Azur Lane) [English]
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
Oshikkollection Tokumukan Hen
[Ogu] Oshikko Sensei~.
U Challenge
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID) [Chinese] [古早个人汉化]
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Digital]
(Angel Time 3) [Syunkan Saidaihusoku, Night FUCKERS (Pony R, Mitsugi)] Phantom Challenge! ~Futari no Domannaka Itadakimasu!~ (Kaitou Tenshi Twin Angel)