A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
(Panzer Vor! 12) [Suzu no Oka (Homare)] St. Glo no Oshikko Jijou (Girls und Panzer)
(C90) [Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen [Chinese] [沒有漢化]
[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]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Keijunyoukan Hen Ge (Kantai Collection -KanColle-) [Digital]
Saimin Appli Challenge!!
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
(C94) [Golden Tube (Ogu)] Oshikko Sensei 7~.
Doki doki♡ Ticket Challenge!
[Namiroji (Shiina Nami)] Hainyou Shoujo Hinako no Oshikko Biyori [English] [Digital]
Oshikko Sensei 7~.
[Golden Tube (Ogu)] Oshikko Sensei [English] [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Kasen-chan no Jasen Rouraku Challenge
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
Osake ga Haitte Otoile ga Chikai Etorofu-chan ni Oshikko o Kyouyou Suru Hon
[Mikeke] ろり陵育 お漏らし編
Chaldea Outdoor Challenge Abby-chan to Issho 3
(COMITIA104) [Yuuseian (Yuusei Iori)] Oshikko Shitaku Nacchatta [Chinese] [檸檬茶漢化組]
Akari Challenge
Yuusha no Sairokubon Challenge
Oshikko wa Maho | Orinar es Magia
[d.a.p] UnknownUnlockChallenge
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
Toka 1 hour drawing challenge
(C90) [Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen
[Asatsuki Dou (Youta)] Hontou ni Atta Oshikko Enkou | Really there was pee compensated dating [English] [SquigglesJP] [Digital]
Naisho no Enkou Challenge | 不可告人的援交挑战
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
Petite Jolyne Lewd Challenge + Extras
(C92) [Besshun-tei (Arisu Kazumi)] Friends no Oshikko Kansatsuki | FRIENDS的尿尿观察日记 (Kemono Friends) [Chinese] [檸檬茶漢化組]
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Hontou ni Atta Oshikko Enkou 3
(C89) [Golden Tube (Ogu)] Oshikko Sensei 6 (SAMPLE)
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
Oshikkollection Tokumukan Hen
[Takashiro Go-ya] Watashi no Oshikko Fubunritsu [Chinese] [篆儀通文書坊漢化]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou | Remilia's Challenge (Touhou Project) [English] [UMAD]
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
(SC2016 Summer) [LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kuubo Hen Ge (Kantai Collection -KanColle-)
Futanari Milk Challenge 5 | 扶她榨乳挑战 5
Kaye-nee Challenging Herself in Volleyball
Watashi no Oshikko Fubunritsu
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
(C84) [Golden Tube (Ogu)] Oshikko Sensei 5 [English] =LWB=
(C82) [Golden Tube (Ogu)] Oshikko Sensei 4
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Keijunyoukan Hen Jou (Kantai Collection -KanColle-) [Digital]
(Stand Up! 29) [Kashitsuki (Momoko)] Ero Trap Dungeon no Challenger (Cardfight!! Vanguard)
[Anthology] Oshikko ☆ Dechau!! for Digital Vol.1 [Digital]
(COMITIA108) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Bokin Shimasenka?
[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 Nana (Kantai Collection -KanColle-) [Digital]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
[Pirates Patrol (Otokawa Kazuki)] Unchi ya Oshikko de Kimochiyoku Naru Watashi-tachi [Digital]
Oshikko Shiteyo! Masshu Mash
UnknownUnlockChallenge
[Lolisin] Oshikko wa Shutter Chance! (Digital Puni Pedo! Vol. 16) [Chinese] [柠檬茶x透明声彩联合汉化]
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组]
Semen Storage Challenge
[Sushipuri (Kanbe Chuji)] Oshikko Shitetara Mitsukatte Seikatsu Shidou sarechau Hon (Whistle!) [Digital]
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
[Nozarashi (Nozarashi Satoru)] Shizuku to Airi no 1-kagetsu Dousei Challenge!! (THE iDOLM@STER CINDERELLA GIRLS) [Digital]