(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Kaye-nee Challenging Herself in Volleyball
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
Bad End Of Cursed Armor College Line(诅咒铠甲学院线)Chinese
[zen9] Okusama Challenge - Challenge of Wife
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Tickle Massage Chair Mini - Million Yen Challenge
Maki Nico Lez 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]
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
[Shioroku] Hajirai no Puffy Nipple - Big Puffy Nipples College Teen [English] {doujins.com}
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]
Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan
Chaldea Outdoor Challenge Abby-chan to Issho
[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)
Chaldea Outdoor Challenge Abby-chan to Issho 3
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
Akane-chan Challenge! | 아카네짱 챌린지!
Reiwa Shasei Challenge
(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen
[Shioroku] Hajirai no Puffy Nipple - Big Puffy Nipples College Teen
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
Saimin Tengoku Challenge 06
Semen Storage Challenge
[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]
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
[Tachibana Takashi] Joshidaisei Keiko no Yume | Female College Student Keiko's Dream (Koibito wa Kedamono) [English] {bfrost} [Decensored]
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
Yuusha no Sairoku Hon Challenge Omake Manga
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [English] {Hennojin} [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
[Mikeke] ろり陵育 お漏らし編
One-shota Challenge
TS Detective Niizuma Hiromi Investigate the missing college student case!
[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou | Remilia's Challenge (Touhou Project) [English] [UMAD]
(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
Renzoku Kyousha Challenge
Mordred nipple Challenge | 莫德雷德乳首挑戰
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
Kanade Challenge Kouhen
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Challenge! Hentai Majo Rensei
[ZUZUZU (Kamiya Zuzu)] Utai Tekute Trans Conversion ~Daigakusei A no Baai~ | I Wanted to Sing ~ Trans Conversion "The Case of College Student A"~ [English] [WisdomWapiti] [Digital]
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
Futanari Milk Challenge 3 | 扶她榨乳挑战 3
ETD Challenge.
Okei-san no Nukinuki Dosukebe Challenge
#SoniCha Ikuiku Challenge
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
(C93) [Dai 6 Kichi (Kichirock)] Joshidaisei Minami Kotori no YariCir Jikenbo Case. 2 | College Girl Kotori Minami's Hookup Circle Files Case #2 (Love Live!) [English]
Doki Doki ❤ Ticket Challenge!
CHALLENGE
[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
Dairoku! Otoile Challenge 2
(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]
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project)
Dairoku! Otoile Challenge
Kyokon Shoujo Nyoudou Challenge!
Hajimete no Inpio Challenge
[Hotta Kei] Jyoshidai no Okite (The Rules of Women's College) vol.2
Yuusha no Sairokubon Challenge
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
[Sa-Ki] Honoka Challenge! (Love Live!)
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
[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]
Saimin Tengoku Challenge 04
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
Kashima-san to Akimatsuri Challenge
Maki Challenge
(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
Horny ladies and college students
Joshidaisei Minami Kotori no YariCir Jikenbo Case. 2 | College Girl Kotori Minami's Hookup Circle Files Case #2
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
JK Tamamo no Shuugaku Ryokou Oppai Challenge
Joshidaisei Minami Kotori no YariCir Jikenbo Case.3 | College Girl Kotori Minami's Hookup Circle Files Case #3
DokiDoki Mesuiki! Challenge!!
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [English] [TF translations]
[DIN] Seieki Tamekomi Challenge | Semen Storage Challenge [English]