[69station (Ekitai)] Koibito ga Akogare no Senpai wo Suki Sugite Tsurai | It's Hard When Your Boyfriend Likes an Upperclassman He Admires Too Much (Free!) [English]
Fukujuu to Amagami | Hard to say I love you 1-4
(SC33) [Daihonei (TYPE.90] EMPIRE HARD CORE 6 (Various)
(COMIC1☆6) [STUDIO HUAN (Raidon)] ViviEin HaRD (Mahou Shoujo Lyrical Nanoha)
[Napo] Let's Study! (COMIC ExE 16) [Chinese] [Digital]
(C89) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2015 WINTER (Various)
Fukujuu to Amagami | Hard to say I love you 1-3
STUDY
Benkyou Shimasenka? | Should We Study? {YQII}
(C82) [GERHARD (Takahisa Kunihiro)] Araragi-kun no Kuse ni Namaiki Dazo (Bakemonogatari)
Secret Study Session 2 Nino-chan to Dokidoki Benkyoukai
EMPIRE HARD CORE 2017 SUMMER sample
[Muchin] Sakura-chan no Jiyuu Kenkyuu 1 | Sakura-chan's Free Study 1 [English]
Steady Study
(C72) [Genki no mizu no wakutokoro (Various)] RO Hard Core (Ragnarok Online)[Chinese]【超⑨汉化】
(C88) [Nuno no Ie (Moonlight)] Let's Study xxx Soushuuhen (Love Live!)
(AC2) [ONEONE1 (Rokuromi)] Ninki JS Haishinsha ga Natsuyasumi ni Zenkoku Mawatte Kakuchi no Oji-san-tachi to Hard na Sex Shinagara Live Haishin Yatte Mita
Yuriko no Sex Bousou Tokkyuu
[Saigado] Soto Kataku Naka Ururu | Outside Hard, Inside Ripe (COMIC Bazooka DEEP 2008-05) [English] [Tonigobe] [Decensored]
(COMIC1☆10) [Flicker10 (Kuronyan)] Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together? (Strike Witches) [English]
HARD GIRL
[Crimson Comics (Carmine)] Sephiria Hard Soushuuhen (Black Cat)
[Yohei♪] Bitch Sonoko to Hard SEX Tanpensuu (Meitantei Conan)
Potion Study Shippaidan
SAREN HARD 2
[謎のジャンボシャコマン] マリンスノーの底で (戦艦少女)
[Miraiya (Asari Shimeji)] Bumbling Detective Conan - File 8: The Case Of The Die Hard Day (Detective Conan) [English] [Tonigobe]
(C84) [Nuno no Ie (Moonlight)] Let's Study xxx 2 (Love Live!) [English] [Facedesk]
(SC41) [Tico Tico Tack (Narumi Aoi)] Ore no Tsuma ga Konna ni Kawaii Wake ga Nai - It's hardly possible that my wife is so cute. (Kyouran Kazoku Nikki)
SEX p.a.r.t.y -hard drug lesson-
[Stapspats (Various)] Gensoukyou Futanari Chinpo Wrestling Goudoushi 2 GFCW Extreme Joker (Touhou Project) [Digital]
[Aoki Kanji] Imouto Lesson (COMIC Anthurium 2014-05) [English] [hardicondor]
(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko) [Chinese] [EZR個人漢化]
[Hakkou Kimuti (Hardboiled Yoshiko)] Oba-chan! Oppai Milk Hitotsu!! (Senran Kagura) [Chinese] [沒有漢化] [Digital]
Let's Study!
Boku no Bokki Penis o Rokuga Shite Ikina yo | Go Ahead and Film My Hard Penis Ch. 2
Shishunki no Obenkyou 4 | Puberty Study Session 4
(COMIC1☆20) [Daihonei (TYPE.90)] EMPIRE HARD CORE 2022 SPRING (Akebi-chan no Sailor Fuku)
Five guys in one room hard mix
[Warabimochi] Anbarel no Kunou | Anbarel's hardships 01 [English] [kkyun]
[Sirokuma] Pai Hard | 終極・歐ー派 [Chinese] [Digital]
EMPIRE HARD CORE 2012 SPRING
EMPIRE HARD CORE 2014 WINTER {doujins.com}
Chicchana Succubus-chan ni Ii You ni Sarechau Hon
[Hakkou Kimuti (Hardboiled Yoshiko)] Oba-chan! Oppai Milk Hitotsu!! (Senran Kagura) [Digital]
[Yukiu Con] Manga de Wakaru Seiinbenkyouhou | Study Method With SEMEN -comic edition (COMIC LO 2016-03) [English] {5 a.m.}
[sanrokugo][Genki no mizu no wakutokoro (Various)] RO Hard Core (5th story) (ENG)
[Seto Yuuki] Stretta Ch. 2 | I Can't Study (Side B) [English] [RyuuTama] [Decensored]
[Husky guy] SStudy Ch.0-37 (English) (YoManga) (Ongoing)
[HAMMER_HEAD (Makabe Gorou)] Hard Tachibana (THE IDOLM@STER CINDERELLA GIRLS) [Sample]
(Kouroumu 9) [Stapspats (Various)] Gensoukyou Futanari Chinpo Wrestling Goudoushi GFCW Extreme (Touhou Project) [Digital]
(C65) [Tenny Le Tai (Various)] Loli Neko HARD
[Katsurai Yoshiaki] Amatsuka Gakuen no Ryoukan Seikatsu | Angel Academy's Hardcore Dorm Sex Life 3.5-5 [English] {darknight} [Digital]
Movie Study Club Episode 4
(C91) [Gambler Club (Kousaka Jun)] Satoshi Bokki shita? | Ash ♥ Did You Get Hard? (Pokémon) [English] {risette translations}
[Crimson Comics (Carmine)] Nami Robin Double Hard (One Piece)
EMPIRE HARD CORE 2021 SPRING
[Kurono Masakado] HARD S
(SC2017 Winter) [Suzushirodou (Suzushiro Nazuna)] HARDWORKING!! 2017/SC/WINTER (WORKING!!)
(C86) [Nuno no Ie (Moonlight)] Let's Study xxx 4 (Love Live!) [Chinese] [空気系☆漢化]
Shishunki no Obenkyou 3 | Puberty Study Session 3
BF - Bitch Fucker's Hard Line ♥
[Marumaru Arumajiro (Majirou)] DOA DOA HARD CORE Momijizome | DOA DOA HARD CORE - Staining Momiji (Dead or Alive) [English] {doujin-moe.us}
Kasumi Hard Love 2 ver. 1
(C92) [Inariya (Inari)] Kyoudai ni Okeru Seikoushou no Kiroku [English] [desudesu]
SStudy Ch.0-38
(C76) [MEKONGDELTA, DELTAFORCE (Route39, Zenki)] Hard Normal Honey (Amagami)
(SC35) [Archives (Hechi)] GAD-HARD (GAD GUARD)