[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
(SC2018 Spring) [Z-TABUKURONEKO HOUSE (Gyonikun)] Oshikko Shiteyo! Masshu Mash (Fate/Grand Order)
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Oshikkollection Kuubo Hen Ge
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)
(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]
(C82) [Marin (Suzusato Rinka, Mage)] Doujouyaburi no Kata wa Katteguchi e Omawari Kudasai | Challengers Please Present Yourself At The Back Door (Ranma 1/2) (English) [SaHa]
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Digital]
[Youta] Koisuru Oshikko [Digital]
Sasami ga Oshikko o Gaman Shite Omorashi Suru Hon
Sakuya-san no Oshikko no Ana Goudou ~Koko no Ana ga Mitai!~
(Ore no Turn vs. 2019) [sigh. (Naruse)] Ore to Aitsu no S. M. T Challenge! (Yu-Gi-Oh! VRAINS)
Sensei Oshikko
SanaMina Semen Gero Oshikko Kanchou
Sennou Fuchou no Obenjo Challenge Isshuukan!
(C94) [Golden Tube (Ogu)] Oshikko Sensei 7~.[Chinese] [沒有漢化]
VRC Oshikko Godo
[Golden Tube (Ogu)] Oshikko Sensei 6~. [Digital]
Seieki Tamekomi Challenge
Kyokon Shoujo Nyoudou Challenge!
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Rika no Oshiri Challenge
(COMITIA108) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Bokin Shimasenka?
(C91) [Cool Brain (Kitani Sai)] Haisetsu x Shukujo Oshikko Party 2 (Amagami)
Yuigahama-chan wa Oshikko Server
[Fukuyama Naoto] Saimin Tengoku Challenge 06 (COMIC BAVEL 2022-02) [Chinese] [萬神殿牛頭人個人漢化] [Digital]
Kids Challenge
(C89) [Golden Tube (Ogu)] Oshikko Sensei 6
Saber Oshikko Kansatsu
[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战! [Chinese] [瑞树汉化组]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]
[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]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kuchikukan Hen Yon (Kantai Collection -KanColle-) [Digital]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
(COMITIA113) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Training! | Pee Training! [English] [ATF]
[dotsuco] Nametake Challenge!
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
[Golden Tube (Ogu)] Oshikko Sensei [Digital]
(C93) [Akunaki Hourou (Usimanu)] Miho-chan to Oshikko - mihochan pee (Girls und Panzer)
Saimin Appli Challenge!!
Nametake Challenge!
SanaMina Semen Gero Oshikko Kanchou | SanaMina Semen Vomit Pee Enema
Kuroshio Challenge
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4 | [番外篇]——快感觉醒!便器化的先辈! [Chinese] [鬼迷日眼的莱科少校个人川话化]
Boku-tachi no Oshikko na Himitsu
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
催眠天国 Challenge 03
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kai Ni Hen (Kantai Collection -KanColle-) [Digital]
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
Naisho no Enkou Challenge | 不可告人的援交挑战
(C90) ["Tsu" ga Mittsu. (Tsuttsu)] 2-2 Oshikko Soapland e Youkoso [Chinese] [无毒汉化组]
(COMITIA104) [Yuuseian (Yuusei Iori)] Oshikko Shitaku Nacchatta
(COMITIA113) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Training! [Chinese] [无毒汉化组]
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
Koishi-chan Kutsushita Bon 2 "Full Color Oshikko"
Kasen-chan no Jasen Rouraku Challenge
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
Futanari Milk Challenge 2 | 扶她榨乳挑战2
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
Oshikko Sensei 7~.
Kasen-chan no Jasen Rouraku Challenge
[Golden Tube (Ogu)] Oshikko Sensei ZERO Prologue [Digital]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
Sharo-chan!! Oshikko Nomasete!!
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei VII | Oshikko Sensei From 3 Years Old - VII [English] [Digital]
(C86) [Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei-I
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
(Panzer Vor! 12) [Suzu no Oka (Homare)] St. Glo no Oshikko Jijou (Girls und Panzer)
Naka de Oshikko Shite | Peeing Inside Vagina
Maki Challenge
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]
(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
(C89) [Cool Brain (Kitani Sai)] Haisetsu x Shukujo Oshikko Party (Amagami)
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Juujunyoukan Hen (Kantai Collection -KanColle-) [Digital]
[Mikeke] ろり陵育 お漏らし編
(C85) [Golden Tube (Ogu)] Oshikko Sensei ZERO Prologue [English] =LWB=
[Sa-Ki] Honoka Challenge! (Love Live!)
[Mosaic Book] Naka de Oshikko Shite | Peeing Inside Vagina [English]
Naka de Oshikko Shite
[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]
[Mitsuhime Moka] Himitsu no Gyaku Toilet Training 2 (Oshikko Dechau!! for Digital Vol. 2) [English] [Digital]
Naderin Dappun Oshikko Kanchou
Dairoku! Otoile Challenge 2
[Mamemaru Shoten] Oshikko Story DX
Michi de Deatta Shounen no Oshikko Choudai!
Kanoka Challenge_plot 2
(C88) [Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei-III [Sample]
[anthology] Oshikko anthology a be tai nyou
[Besshun-tei (Arisu Kazumi)] Genkai!? Oshikko [Chinese] [檸檬茶漢化組] [Digital]
Oshikko wa Shutter Chance!
[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]
Yuusha no Sairokubon Challenge
Kasen-chan no Jasen Rouraku Challenge
[Fukuyama Naoto] Saimin Tengoku Challenge 03 (COMIC BAVEL 2021-02) [Chinese] [零星汉化组] [Digital]
[Anthology] Oshikko Sekkan! ~Shoujo Seisuichuu~
Oshikko
(C86) [Kansen Shoujo (Noto Kurumi)] Ryuu Ichaicha Tokidoki Oshikko (Kantai Collection -KanColle-)
Renzoku Kyousha Challenge
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
(C86) [Kansen Shoujo (Noto Kurumi)] Ryuu Ichaicha Tokidoki Oshikko (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]
(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[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]
Petit Xu Lewd Challenge (Revenge Edition) + Extras
(C93) [Suzune Rai Chikashitsu (Suzune Rai)] Noja Loli Babaa Kitsune-sama Oshikko Gamanshi Nagara Teman
[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]
Oshikkollection Kei junyōkan hen Ue
Kyokon Shoujo Nyoudou Challenge!
(C80) [Golden Tube (Ogu)] Oshikko Sensei 2 [Chinese] [沒有漢化]