Monthly Vitaman 2018-05
Monthly Vitaman 2007-10
Monthly Vitaman 2014-01
[Professor Grace (Grace Ishikawa)] Brain Training (From: COMIC Monthly Vitaman 2006-10) [ENG] =TV=
Monthly Vitaman 2007-01
TS-kko Otokoyu Challenge!
(C83) [Super Sentou, The Shakya (Fukutarou, Oke)] Gekkan Otona no RitsuMio Zoukangou | Monthly RitsuMio for Adults - Special Edition (K-On!) [English] [Yuri-ism]
[Karma Tatsurou] Saraware (Monthly Vitaman 2012-08) [Chinese]
(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1
Futanari Milk Challenge 2 | 扶她榨乳挑战2
Monthly Vitaman 2009-03
Monthly Vitaman 2016-09
Okay-san no Nukinuki Dosukebe Challenge
[Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2
Monthly Vitaman 2016-03
Pancakes Challenge | Desafío de Panqueques
Monthly Gekiman Special 2012-11 [Incomplete]
DT Chinpo 100-pon Acme Challenge!!
Kids Challenge
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)
Saimin Tengoku Challenge 06
[ro] Ookami to Akazukin Ch. 2 (Monthly QooPA 2014-09) [Chinese] [E个人汉化] [Digital]
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
[Usakun] Kongetsu no Wanko. | This Month's Doggy. (COMIC LO 2007-05) [English] [sirC]
Maki Nico Lez Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Digital]
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [Chinese] [樱翼汉化组]
W Jeanne to Off-Paco Challenge
[Karma Tatsuro] Shiawase no Shoujo (Monthly Vitaman 2014-01) [English] [Facedesk]
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
Monthly Vitaman 2014-10
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]
[Karma Tatsurou] Amasan (Monthly Vitaman 2013-04) [English] =LWB= [Colorized]
Saimin Tengoku Challenge 05
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]
[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)
Pancakes Challenge
Rika no Oshiri Challenge
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 8 (Monthly Vitaman 2018-02) [Chinese] [前线作♂战♀基地] [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5 [English] [Uncensored]
Monthly Vitaman 2018-07
Monthly Vitaman 2008-03
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Monthly Vitaman 2016-05
[Karma Tatsurou] Saigo no Omoide | One Last Memory (Monthly Vitaman 2013-09) [English] [UsagiTrans]
Monthly Vitaman 2007-09
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1
[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)
U Challenge
Monthly Vitaman 2015-05 [Digital]
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
Monthly Vitaman 2017-12 [Digital]
#SoniCha Ikuiku Challenge
Monthly QooPA 2014-11 [Digital]
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
After A Month
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
[Homura Subaru] Sakunyuu Inma Lili 4 | Milky succubus Lilly (Monthly QooPA 2015-02) [Digital]
[Homura Subaru] Milky Succubus Lyli 4 (Monthly QooPA 2015-02) [Digital]
Chaldea Outdoor Challenge Abby-chan to Issho 3
Backstage Hibiki Challenge
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
Kodomo de Challenge 2
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
Girls from a Prestigious School Challenged to an Escape Game
Monthly MelomELO Apr.2016
[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [Chinese] [落莲汉化组] [Digital]
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
Kaye-nee Challenging Herself in Volleyball
(C92) [K+W (Sasachinn)] Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer! (Kantai Collection -KanColle-) [English] [Doujins.com]
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)
Yuusha no Sairokubon Challenge
Monthly UriboZakkaTen Feb.28,2020
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]