[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge
Monthly UriboZakkaTen Jan.31,2020
Tickle Massage Chair Mini - Million Yen Challenge
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
Monthly MelomELO Feb.25,2013
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
Ko-Gil Challenge
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
Kanoka Challenge_plot 2
Getsumatsu Daikanshasai | End of month rape festival
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)
Mordred nipple Challenge | 莫德雷德乳首挑戰
Monthly Vitaman 2009-03
Teisouring Challenge
Monthly Gekiman Special 2012-11 [Incomplete]
Kanoka Challenge_plot 3| 花乃香的难题_情节3
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [Textless]
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Monthly Vitaman 2009-09
Tanpan Kozou no Oppai Challenge!
Monthly QooPA 2014-08
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
Yui-chan SEX Challenge!!
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
Seieki Tamekomi Challenge
Futanari Milk Challenge 3 | 扶她榨乳挑战 3
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
Monthly Vitaman 2013-09
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[Sen] Makabe no Oshiri Challenge (THE IDOLM@STER MILLION LIVE!)
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
[Akinao] Kasumi to Ren-nii-chan (Monthly Vitaman 2016-06) [English] {NecroManCr}
Kanade Challenge Zenpen
Doki Doki ❤ Ticket 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]
Monthly Vitaman 2018-06
[deadflow] Ui (Kukagetsu) | Ui (Eight months pregnant) (Blue Aka-chan IN-bu) (Blue Archive) [Digital]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
[d.a.p] UnknownUnlockChallenge
1-kagetsukan no Paradise | A Month of Paradise
/ruːt/-47th Month
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 10 (Monthly Vitaman 2018-05) [Chinese] [前线作♂战♀基地] [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]
Monthly Vitaman 2016-10 [Digital]
Monthly Vitaman 2017-11 [Digital]
[ro] Ookami to Akazukin Ch. 2 (Monthly QooPA 2014-09) [Chinese] [E个人汉化] [Digital]
Monthly Vitaman 2017-01
A situation in which the shrunken older brother is forced to spend a month in a sock
Kasen-chan no Jasen Rouraku Challenge