(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
Challenge Days
[MARUTA] Campus Zenra Hokou wa Joshidai-sei no Tokken | Exhibitionist College Girl Series Ch. 2 (Comic Shitsurakuten 2012-11) [English] [Munyu]
Male Swimsuit Challenge
Hitori Challenge Rakugaki
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]
Flan-chan no Saimin Nikubenki Challenge
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Dokidoki Mesu Ochi Gohoushi Challenge
Namaiki Kuchikukan Wakarase Challenge
[Mikeke] ろり陵育 お漏らし編
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
Saimin Tengoku Challenge 04
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
Pancakes Challenge
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
Tanpan Kozou no Oppai Gym Challenge!
[Nozarashi (Nozarashi Satoru)] Shizuku to Airi no 1-kagetsu Dousei Challenge!! (THE iDOLM@STER CINDERELLA GIRLS) [Digital]
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
AYUCollegen AYUEST KanColle Event Genteibon Soushuuhen 2015-2017
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)
Bad End Of Cursed Armor College Line(诅咒铠甲学院线)Chinese
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
Futanari Milk Challenge 3 | 扶她榨乳挑战 3
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
Kasen-chan no Jasen Rouraku Challenge
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
[Mizu] Kids Challenge [English]
[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Petit Xu Lewd Challenge + Extras
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章[风俗店篇] [Chinese] [鬼迷日眼的莱科少校个人川话化]
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
Jyoshi Daisei Yuuka | Female College Student Yuka 1-8
Futanari Milk Challenge
Jisatsu Challenge | 自殺挑戰
(Zennin Shuuketsu 9) [Chikuwa to Kyuuri (Sakuraba Chizuru)] Otou-san Challenge (Naruto)
Joshidaisei Kosaka Honoka no YariCir Jikenbo | College Girl Honoka Kousaka’s Hookup Club Case Files
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Maki Nico Lez Challenge
Hajimete no Inpio Challenge
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
Akane-chan Challenge! | 아카네짱 챌린지!
Junior Dominating Senior Challenge!
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Etorofu-gata Muchikko Kodomo Challenge
Yuusha no Sairoku Hon Challenge Omake Manga
Ane☆Volleyball Challenge
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
Twin Challenge ch. 1
Joshidaisei Minami Kotori no YariCir Jikenbo Case.3 | College Girl Kotori Minami's Hookup Circle Files Case #3
Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan
Rika no Oshiri Challenge
[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]
[Torimogura] Osananajimi-chan Ikase Challenge
[Hotta Kei] Jyoshidai no Okite (The Rules of Women's College) vol.3