(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
[MARUTA] Campus Zenra Hokou wa Joshidai-sei no Tokken | Exhibitionist College Girl Series Ch. 2 (Comic Shitsurakuten 2012-11) [English] [Munyu]
Is There No Goddess in My College? Ch.10/?
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Akane-chan Challenge! | 아카네짱 챌린지!
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
Pancakes Challenge
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Digital]
[OB, Overtime Sloth] Is There No Goddess in My College? Ch.12/? [English] [Manhwa PDF]
[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]
TS Detective Niizuma Hiromi Investigate the missing college student case!
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
CHALLENGE
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Okay-san no Nukinuki Dosukebe Challenge
futanari milk challenge 5
[OB, Overtime Sloth] Is There No Goddess in My College? Ch.13/? [English] [Manhwa PDF]
Bijin Joshidaisei Dokubutsu Coffee Konnyuu Ziken | The College Darling's Poisoned Coffee Turnabout
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)
Is There No Goddess in My College? Ch.16/?
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
JC Chinpo-beya Ikkagetsu Seikatsu Challenge!
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
Jeanne no Nikubenki Challenge
Joshidaisei Kosaka Honoka no YariCir Jikenbo | College Girl Honoka Kousaka’s Hookup Club Case Files
Naisho no Enkou Challenge | 不可告人的援交挑战
[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
DT Chinpo 100-pon Acme Challenge!!
Yuusha no Sairokubon Challenge
[MARUTA] Exhibitionist College Girl Series Ch.01-10 (Complete)
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
[Kameyoshi Ichiko] Kanako Challenge (COMIC LO 2020-09) [English] [LoliAce] [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 | Chaldea Outdoor Challenge with Abby-chan 2 (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
[Kawai] ETD Challenge.
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]
Dairoku! Otoile Challenge
U Challenge
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)
Hitori Challenge Rakugaki
Akatsuki-chan Mayonaka no Otoile Challenge
JK Tamamo no Shuugaku Ryokou Oppai Challenge
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)