1 Month Challenge

Monthly Vitaman 2013-04

(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]

i-ll-make-you-understand-challenge

Renzoku Kyousha Challenge

DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!

[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [Digital]

Monthly Vitaman 2013-06

Monthly Vitaman 2007-02

(Angel Time 3) [Syunkan Saidaihusoku, Night FUCKERS (Pony R, Mitsugi)] Phantom Challenge! ~Futari no Domannaka Itadakimasu!~ (Kaitou Tenshi Twin Angel)

Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!

Kaye-nee Challenging Herself in Volleyball

Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer!

Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge

Monthly Vitaman 2018-06

Futanari Milk Challenge

Saimin Tengoku Challenge 04

Monthly Vitaman 2006-12

(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5

Monthly Vitaman 2006-10

[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]

Yuusha no Sairokubon Challenge

[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]

Monthly Vitaman 2013-07

Monthly Gekiman Special 2013-06 [Incomplete]

An NTR Day Per Month - Husband Pretends Not To See It Before Her

Monthly Vitaman 2014-04

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [English] [wehasband]

Backstage Hibiki Challenge

催眠天国 Challenge 03

Monthly Vitaman 2008-11

[Kawai] ETD Challenge.

Aisha Challenge Renji ☆ 4

[Algolagnia (Mikoshiro Honnin)] Monthly Margareta inaugural issue "Entrance Information" vol.000

Rika no Oshiri Challenge

Girls from a Prestigious School Challenged to an Escape Game

Taiwan Comic Monthly

Yousei-san no?! Himitsu no Bouken no Tobira Preview ver

(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]

Twin Challenge ch. 1

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]

Monthly Vitaman 2018-03

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Digital]

Monthly Vitaman 2007-04

[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]

2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]

(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2

Kasen-chan no Jasen Rouraku Challenge

[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]

futanari milk challenge 5

[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]

#SoniCha Ikuiku Challenge

Monthly QooPA 2015-01 [Digital]

Monthly Vitaman 2017-11 [Digital]

Hajimete no Inpio Challenge

[Shigaoka Touki] Kekkon Suru Nara Mesuneko to | If It's Getting Married, a Catgirl... (Monthly Vitaman 2015-04) [English] [Krozam]

Ko-Gil Challenge

（C96） Dairoku! Otoile Challenge

(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)

(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]

Monthly Vitaman 2017-05

Monthly Vitaman 2009-11

[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 Vitaman 2015-05 [Digital]

Junior Dominating Senior Challenge!

Pancakes Challenge

[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]

(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2

[Mizu] Kids Challenge [English]

[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)

Tanpan Kozou no Oppai Gym Challenge!

Monthly Vitaman 2009-10

[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]

[Higashino Mikan] Futomomo Sensation! (Monthly Vitaman 2015-10) [English] {NecroManCr}

Monthly Vitaman 2009-12

Monthly 'Aikawa' The Chief Editor Chp. 4

(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]

[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]