[Hardcore Zayaku Souten (Hirayan)] Sneaking & make Love (Fate/Grand Order) [Digital]
Saimin Tengoku Challenge 06
Yuusha no Sairoku Hon Challenge
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
[hard days (Kamizawa Reiji)] Hei no Soto no Rhapsody [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 | Chaldea Outdoor Challenge with Abby-chan 2 (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
Maki Nico Lez Challenge
Gonin Heya HARD MIX
JC Chinpo-beya Ikkagetsu Seikatsu Challenge!!
Challenge Days
[Hardboiled Yoshiko] Akuratsu (COMIC Kairakuten 2017-03) [Chinese] [絶體絶命二人汉化] [Digital]
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
[Yamamoto] Hard na Oshigoto! (Dragon Ball)
[Saigado] Soto Kataku Naka Ururu | Outside Hard, Inside Ripe (COMIC Bazooka DEEP 2008-05) [English] [Tonigobe] [Decensored]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
Chaldea Outdoor Challenge Abby-chan to Issho 2
Kodomo Challenge 2
Seieki Tamekomi Challenge
Kurokoshi You] Challenge Week
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
(C85) [Hakoku Kimuchi (Hardboiled Yoshiko)] Chinpora ~ Ikari no Megahon ~ (Pokemon)
Sekaiju no Anone 29 Lilisoro Hard
(C83) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2012 WINTER (Chuunibyou Demo Koi ga Shitai!)
(SC2016 Summer) [HAMMER_HEAD (Makabe Gorou)] Hard Tachibana (THE IDOLM@STER CINDERELLA GIRLS)
Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?
[ARCHIVES (Hechi)] GAD HARD S (Gad Guard)
Saijaku Gal wa Ikizurai! - The weakest pussy is hard to go.ch.1
[A Joke is Hard!!! (Yanagi)] SCARS (Gintama)
(C68) [Hard Puncher Maniax (Shibahara Gocho)] KUSUHA-BUST-UP! (Super Robot Wars)
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)
Life of a yukkuri on Hard mode(半生不熟汉化组)
[Shimajiya (Shimaji)] Asashio-chan wa Ganbariya-san | Asashio-chan is a Really Hard Worker (Kantai Collection -KanColle-) [English] {doujin-moe.us} [Digital]
HARD CANDY FULL COURSE
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
Namanama Shandy Gaff (nf4)] Lap-sama no Dosukebe AV Challenge ~ Jokanbu o Soete (Laplus Darknesss, Takane Lui) [Digital]
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)[Chinese][夏姬霸汉化组·改]
[Hitsumabushi] Double Up Challenge! [English]
[Orange Opener (hard)] Chicchana Succubus-chan ni Shiborareru dake no Hon [Digital]
Petit Xu Lewd Challenge (Revenge Edition) + Extras
At first glance, it looks like a man swimsuit challenge + Textless + Bonus
Akatsuki no Oyome-san Challenge
(C91) [Rei no Tokoro (Kuroarama Soukai)] M.A.H.O Girls HARD CORE! (Mahou Tsukai Precure!)
[Crimson Comics (Carmine)] Yuna Rikku Double Hard (Final Fantasy X-2)
Yuriko no Sex Bousou Tokkyuu
RΩ Hard Core
W Jeanne to Off-Paco Challenge
Kasen-chan no Jasen Rouraku Challenge
[Yamamoto] Hard na Oshigoto! It's hard work! (Dragon Ball) [English][Colorized]
Three Rules of a Younger Sister
[Nigatsu Umare (Sawaki Koma)] Hard Down VER.G (Hyperdimension Neptunia) [Digital]
Planning AV: One towel men's bath challenge in St. Louis and Honolulu
Prinz Eugen Otokoyu Sennyuu Challenge
(C79) [65535th Avenue (Akahito)] Extreme Hard Mode (Houkago Play)
[Kokusan JK (Velzhe)] Kagi Catch Challenge 2
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
Binbin Amazoness Ecstasy | Rock Hard Amazoness Ecstacy Part 1
Hard Down
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密道馆挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
PENIS Magna Hard
[Nigatsu Umare (Sawaki Koma)] Hard Down VER. W (Hyperdimension Neptunia) [English] [Nepperoni] [Digital]
Mian no Gal Challenge | Mian's Gyaru Challenge
(C80) [hard days (Kamizawa Reiji)] Sounan 2 [Chinese]
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! (Pokémon Sword and Shield) [Chinese]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
Futanari Milk Challenge 2
[Hakkou Kimuti (Hardboiled Yoshiko)] Oba-chan! Oppai Milk Hitotsu!! (Senran Kagura) [Digital]
Chaldea Outdoor Challenge Abby-chan to Issho
Onee-chan Mama no Funtou | Hard working mommy sisters (Ane x Pako²
Kami-sama de Bokizyuu | Hard On For Kami-sama
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
(C91) [Gambler Club (Kousaka Jun)] Satoshi Bokki shita? | Ash ♥ Did You Get Hard? (Pokémon) [English] {risette translations}
ここにいるありすへ
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
F6 Matsuno Karamatsu no Sex Challenge
M.A.H.O Girls HARD CORE!
EMPIRE HARD CORE 2014 WINTER {doujins.com}
EMPIRE HARD CORE 2018 SPRING
(C64)[Daihonei (TYPE.90)] EMPIRE HARD CORE 3 (Uchuu no Stellvia)
Namaiki Kuchikukan Wakarase Challenge
[Marumaru Arumajiro (Majirou)] DOA DOA HARD CORE Momijizome (Dead or Alive)
[Nigatsu Umare (Sawaki Koma)] Hard Down VER. B+P (Hyperdimension Neptunia) [Digital]
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
(C70) [Hard Lucker(Gokubuto Mayuge)] Nanapetei! vol.1 (Kimikiss)
(C64) [Daihonei (TYPE.90)] EMPIRE HARD CORE 3 (Uchuu no Stellvia) [English] [Angel777]
Etorofu-gata Otoile Challenge
Renzoku Kyousha Challenge
(C80) [CELLULOID-ACME (Chiba Toshirou)] PARTY HARD (Dragon's Crown)
[Hardboiled Yoshiko] Seisetsu (Towako 6) [Chinese] [萌纹个人汉化] [Digital]
[Crimson Comics (Carmine)] Nami Robin Double Hard (One Piece)
(COMIC1☆12) [Kazeuma (Minami Star)] Sekaiju no Anone 29 Lilisoro Hard (Etrian Odyssey)
[Rippadou (Liveis Watanabe)] CAT’S WOMAN HARD CORE Hen (Batman, Cat's Eye)
[Shiwasu no Okina] Boku no Bokki Penis o Rokuga Shite Ikina Yo | Go Ahead and Film My Hard Penis Ch. 3 (COMIC Aun 2016-07) [English] [H]
Chou Monzetsu Curriculum 4 - Hard After-School Doll
[ONEONE1 (Rokuromi)] Ninki JS Haishinsha ga Natsuyasumi ni Zenkoku Mawatte Kakuchi no Oji-san-tachi to Hard na Sex Shinagara Live Haishin Yatte Mita [Digital]