Monthly Vitaman 2018-03
[Higashino Mikan] Futomomo Sensation! (Monthly Vitaman 2015-10) [English] {NecroManCr}
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
[Molossan (Morochin-san)] Dokidoki Mesuiki! Challenge!! ~Cosplay Uriko Hen~ (Hacka Doll, Kantai Collection -Kancolle-) [Chinese] [瑞树汉化组] [Digital]
Monthly Vitaman 2014-12
(C92) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge [English] {Hennojin}
Monthly Vitaman 2013-07
Monthly Vitaman 2007-02
[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB= [Decensored]
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
[Kidocch1] Cute Jolyne Lewd Challenge (Revenge Edition) + Extras (Jojo's Bizarre Adventure) [Cryptic_P]
Pancakes Challenge | Desafío de Panqueques
[Gosaiji] Captain Saimin Icha Love Challenge (2D Comic Magazine Saimin Kyousei Wakan Ijirare Heroine Mesukoi Acme! Vol. 1) [Chinese] [村长个人汉化] [Digital]
Monthly Vitaman 2009-12
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
Monthly Vitaman 2006-11
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]
[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)
Monthly Vitaman 2007-04
Challenge Week
[Corundum] A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou (Fate Grand Order) [English] [FMLTranslations]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
UnknownUltimateChallenge
Monthly 'Aikawa' The Chief Editor Chp. 1
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]
Monthly Vitaman 2009-09
Pancakes Challenge
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
(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]
Monthly Vitaman 2009-03
Monthly 'Aikawa' The Chief Editor Chp. 6
U Challenge
Monthly Vitaman 2015-05 [Digital]
Okay-san no Nukinuki Dosukebe Challenge
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
Monthly Vitaman 2014-08
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
(C56) [M² Company (CJ Michalski, Souya Himawari)] Hachimitsu MONTH (Detective Conan)
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
Monthly UriboZakkaTen Feb.28,2020
[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战! [Chinese] [瑞树汉化组]
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
Seieki Tamekomi Challenge
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Monthly Vitaman 2013-06
Ero Trap Dungeon no Challenger
Monthly Vitaman 2013-03
Toka 1 hour drawing challenge (ichizikann)
[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]
Flan-chan no Saimin Nikubenki Challenge
Rika no Oshiri Challenge