(C63) [RST Slave (Ebina Souichi)] Kasumi Hard Love 2 ver. 3 (Dead or Alive)
(C76) [bolze.] Hard de Hard na Monogatari (Hayate no Gotoku!)
M.A.H.O Girls HARD CORE!
(C80) [CELLULOID-ACME (Chiba Toshirou)] PARTY HARD (Dragon's Crown) [English] [doujin-moe.us]
(C67) [16kenme (Sato-satoru)] shakaika Club [Social-Studies Club]
[Atte Nanakusa] Katekyou Break Time | Home Study Break Time (COMIC LO 2017-01) [English] [SaishoHikari] [Digital]
EMPIRE HARD CORE 2018 WINTER
Sense to Naisho no Obenkyou | A Secret Study with Sensei
JK Mama no Shiken Taisaku | High School Mom's Study Plan
[Hardcore Zayaku Souten (Hirayan)] Kyousei Zecchou Batsu Game Namaiki JK no Shitsukekata [Digital]
(C99) [Kurohamya (Kurosu)] Satonaka Chie-chan ni Oshioki suru Hon Test Benkyou Hen | Satonaka Chie's Punishment - Test Study Edition (Persona 4) [English] [head empty]
(C86) [Nuno no Ie (Moonlight)] Let's Study ×××4 (Love Live!) [English] [Facedesk]
Tifa Hard AC
Yuna Rikku Double Hard
Hard Down
(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
[Crimson Comics (Carmine)] Sephiria Hard Soushuuhen (Black Cat)
EMPIRE HARD CORE 2013 SUMMER
[A Joke is Hard!!! (Yanagi)] あばたもえくぼ (Gintama)
(YAOI)[BlackMonkey] Study Together ENG
(C65) [Hard Puncher Maniax (Shibahara Gotyo)] Honey Sweet ☆Toast (Tsuki wa Higashi ni Hi wa Nishi ni)
(Cinderella☆Stage3STEP) [Hard Lucker (Gokubuto Mayuge)] Suzuran o, Teoru (IDOLM@STER Cinderella Girls)
(C76) [Daihonei (Type.90)] EMPIRE HARD CORE 2009 SUMMER (K-ON!) [English] [Chocolate]
SStudy Ch.0-42
(C81) [mim'im (Mimisuke)] Prime Study
[Hard Chrome] Manga se kaiji yuno-shu | Seeds of the World Tree - Manga (Etrian Odyssey)
[Crimson Comics (Carmine)] Sephiria Hard (Black Cat) [English]
(Ou no Utsuwa 16) [Hardcore Zayaku Souten (Hirayan)] Helena-san to Tsukiaitai! (Fate/Grand Order) [Chinese] [靴下汉化组]
[Tamaki Nozomu] Narikiri Lovers
(SC2016 Summer) [HAMMER_HEAD (Makabe Gorou)] Hard Tachibana (THE IDOLM@STER CINDERELLA GIRLS)
(AC2) [Inbou no Teikoku (IN-KA of the Dead)] Tokimeki Chinchin Binbin Go!!! | Her Throbbing Hard Cock Goes!!! (Love Live! Nijigasaki High School Idol Club) [English] {Doujins.com}
(C66) [Tenny Le Tai (Various)] Loli Neko HARD II
(C87) [Nuno no Ie (Moonlight)] Let's Study××× 5 (Love Live!) [English] [Facedesk]
[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]
Renai Katekyo + secret study
[Hakkindo (Suisui)] SAREN HARD (Princess Connect! Re:Dive) [2019-02-10]
[Actuator] Ryuugaku Shita Osananajimi | My Childhood Friend Who Went to Study Abroad [English] [HappyMerchants]