Hard Challenge Rules

(C83) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2012 WINTER (Chuunibyou Demo Koi ga Shitai!)

[Aita Nikov] Futanari Musume Eruna no Junan | Futanari Elna's Hard Acceptance (Futanarikko Fantasia) [English] [doujin-moe.us]

[Yamamoto] Hard na Oshigoto! (Dragon Ball)

[Hardboiled Yoshiko] Himegoto Sex [Digital]

(HaruCC17) [hard days (Kamizawa Reiji)] Sounan 3 [Chinese]

Fukujuu to Amagami | Hard to say I love you 1

[Crimson Comics (Carmine)] Tifa Hard AC (Final Fantasy VII Advent Children) [English] [DejaVu]

[Yurikawa] Futago Challenge (Toshiue Kanojo Alternative) [English] [PSYN]

[inari mochi] Swimsuit Challenge

(C69) [K.A.D (Rocket Okaboshi)] Hard Core Dildo Dolls (Eureka Seven)

Jisatsu Challenge | 自殺挑戰

[Nigatsu Umare (Sawaki Koma)] Hard Down VER. B+P (Hyperdimension Neptunia) [English] [JMCS] [Digital]

[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)

[Mizu] Kids Challenge [English]

I Received a Notebook That Lets Me Rewrite the School Rules

DeKatsu no Osasoi Challenge!

(Houraigekisen! Yo-i! 29Senme) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2017 SPRING (Kantai Collection -KanColle-)

Hard Mode

[Mariana Kaikou Kikaku (Mikami Hokuto)] Shimakaze-kun Challenge Shite Itara, Mogami-kun ni Encount Shita Ken. (Kantai Collection -KanColle-) [Digital]

Kouiu Koyuki mo Dou desu ka?!

[Fuusen Club] Speed & Hard

(Futaket 3) [Game Dome Hamamatsuchou (Kamirenjaku Sanpei)] Kami-sama de Bokkichuu | Hard On For Kami-sama (Kamichu!) [English] [Tigoris]

Rika no Oshiri Challenge

Futanari Milk Challenge 6

[Sen] Makabe no Oshiri Challenge (THE IDOLM@STER MILLION LIVE!)

Life of a yukkuri on Hard mode（半生不熟汉化组）

[Nisepakuman-san] Core Chijo! Hard Chijou no Onna-tachi [Digital]

Hardcore chapayev

[Junk Gear (Akutabone)] Futamagi HARD MODE [Digital]

[Smashbox] Hard Candy 2 (GGX) (ggx)

(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki

[Ueno Naoya] SIDE-A GUN SHOT (HARD-X) [Chinese] [Incomplete]

Jeanne Alter to Dakkou Challenge!!

[Kisei Toukyoku (Richard Bahman)] Houkago Dairizuma 3 Sotsugyoushiki wa Ninpu de... [English] [Digital]

[EB110SS] Hard Lock

UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지

(C88) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2015 SUMMER (Mobile Suit Gundam The Origin) [English] [Amoskandy] [Incomplete]

[Katou Teppei] Too Drunk to Hard-on [Digital]

Hard Down VER. W

(C54) [UNION OF THE SNAKE (Shinda Mane)] SHE WORKS SO HARD FOR MORE MONEY AND ANYTHING (YAT Anshin! Luxury Space Tours)

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)

Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge

Boku no Bokki Penis o Rokuga Shite Ikina Yo | Go Ahead and Film My Hard Penis Chapter 2

Imouto Rule | Three Rules of a Younger Sister {doujins.com}

EMPIRE HARD CORE 2018 SPRING

SEX p.a.r.t.y -hard drug lesson-

(C95) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2018 WINTER (Hataraku Saibou)

Double Up Challenge!

(C94) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2018 SUMMER (Hinamatsuri)

Kyokon Shoujo Nyoudou Challenge!

EMPIRE HARD CORE 2019 SPRING

Namaiki Kuchikukan Wakarase Challenge

[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]