Monthly Vitaman 2006-11
Chaldea Outdoor Challenge Abby-chan to Issho 3
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]
[Hara] Misaki-chan no Lotion Challenge
Monthly Vitaman 2009-09
Etorofu-gata Muchikko Kodomo Challenge
Kyokon Shoujo Nyoudou Challenge!
Toka 1 hour drawing challenge (ichizikann)
Monthly Vitaman 2015-01
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
Ko-Gil Challenge
Once A Month Visitor
[Kazuma Muramasa] Yukizuri Hot! (Monthly Vitaman 2011-03)
Monthly Vitaman 2010-01
[Mikeke] ろり陵育 お漏らし編
Monthly Vitaman 2017-04
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
[Jyoka] Igyou Kaikitan Mannequin (Monthly QooPA 2015-06)
Monthly Vitaman 2016-05
Doki doki♡ Ticket Challenge!
JC Chinpo-beya Ikkagetsu Seikatsu Challenge!
HERE COMES A NEW CHALLENGER!!
Monthly Vitaman 2014-01
Aisha Challenge 4
Yuusha no Sairokubon Challenge
Yuusha no Sairoku Hon Challenge Omake Manga
Male Swimsuit Challenge
Monthly MelomELO Jun.2014
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]
Monthly Vitaman 2018-05
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi [Chinese] [cqxl自己汉化] [Digital]
Challenge! Hentai Majo Rensei
[Kuon Michiyoshi] HUNDRED GAME Ch. 4 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
Kanoka Challenge_plot 2
Monthly Vitaman 2015-03
Mordred nipple Challenge | 莫德雷德乳首挑戰
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Monthly Vitaman 2008-03
Monthly Vitaman 2007-08
Naisho no Enkou Challenge | 不可告人的援交挑战
Saimin Tengoku Challenge 04
Challenge Days
Monthly QooPA 2014-11 [Digital]
[Kuon Michiyoshi] HUNDRED GAME Ch. 2 (Monthly Vitaman 2014-11) [English] [allenallenallen333]
Taiwan Comic Monthly
Dairoku! Otoile Challenge
Monthly QooPA 2014-08
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.
[Professor Grace (Grace Ishikawa)] Brain Training (From: COMIC Monthly Vitaman 2006-10) [ENG] =TV=
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 | Chaldea Outdoor Challenge with Abby-chan 3 (Fate/Grand Order) [Digital] [English] [The Blavatsky Project]
UnknownUltimateChallenge
Asuka 6 months
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]
Monthly Vitaman 2016-11
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
[Kuon Michiyoshi] HUNDRED GAME Ch. 10 (Monthly Vitaman 2015-10) [Chinese] [樱翼汉化组]
Monthly Vitaman 2008-11
Hitori Challenge Rakugaki
Rika no Oshiri Challenge
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]
Monthly Vitaman 2016-10 [Digital]
Jisatsu Challenge | 自殺挑戰
Nametake Challenge!
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]
Utsuho Challenge!!
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 9 (Monthly Vitaman 2018-04) [Chinese] [前线作♂战♀基地] [Digital]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Sex Challengers
Monthly Vitaman 2016-04
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
Saimin Tengoku Challenge 05
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
[Kuon Michiyoshi] HUNDRED GAME Ch. 3 (Monthly Vitaman 2014-12) [Chinese] [樱翼汉化组]
Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!
[Momonosuke] Inaka no Aji wa Koi no Aji? (Monthly Vitaman 2016-05) [English] [Fated Circle]
[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]
Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure
Bodyswap between a monther and her son
TS-kko Otokoyu Challenge!
Monthly 'Aikawa' The Chief Editor Chp. 3
Monthly Vitaman 2006-10
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]
Monthly Vitaman 2015-10 [Digital]
Hajimete no Inpio Challenge
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
W Jeanne to Off-Paco Challenge
Monthly Vitaman 2007-04
[ro] Ookami to Akazukin Ch. 2 (Monthly QooPA 2014-09) [Chinese] [E个人汉化] [Digital]
Gekkan "Za Bicchi" wo Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
Jeanne no Nikubenki Challenge
Kasshoku Oneesan no Fudeoroshi Ver. 3
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
[Black Age (Kurono Masakado)] Detective Collection VOL. 01 (Detective Conan) [Digital]
(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
[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]
Renzoku Kyousha Challenge
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
[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]
Monthly QooPA 2015-05 [Digital]
Monthly Vitaman 2016-01
Monthly Vitaman 2008-08