(C62) [Crimson Comics (Carmine)] Watashi Wa Kyozetsu Suru | Rejection (Bleach) [English] {HENTAIGROUP}
(C84)[PNO Group (Hase Yuu)] Full Color☆Illya Bun Hokan Keikaku! (Fate/stay night)
[RED RIBBON REVENGER] kuro
(C85) [Nuno no Ie (Moonlight)] Let's Study xxx 3 (Love Live!)
Aisei Tenshi Love Mary Ch.1-5
Sex Study
The MERCENARIES
(C63) [Junk Arts (Nukiyama Gaisei)] Teikyoudo Funsou to Sekai Shin Chitsujo - Low-Intensity Conflict and World New-Order (Ground Defense Force Mao-chan)
Karasuno JoshiMane Ryojoku High Ace
[Akatsuki Myuuto] Lovemare♥ Joshou Classmate Doujin+Ch.1-8 [Digital]
[Husky guy] SStudy Ch.0-30 (English) (YoManga) (Ongoing)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Chinese] [沒有漢化] [Digital]
Steph Game
Hime-awabi Hime-Matsutake Vol 3.5
(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko)
[Rekulon (Ishi)] 甘い研究 ~A study in sweet~ (Sherlock Holmes)
Triglav Underground Railway
(C93) [CRIMSON GROUND (Miyashiro Sousuke)] Torofuwa Mashumaro (Fate/Grand Order) [Chinese] [花火汉化组]
Himitsu no TS Chika Kenkyuujo | Secret TS Underground Lab
(C94) [Yagisaki Ginza (Yagami Shuuichi)] ENDLESS TRADE (Love Live!) [English] {Hennojin}
(C84) [PNO Group (Hase Yuu)] Priya Toppatsu Bon Moshimo Ichiwa no Ano Scene de... (Fate/kaleid liner Prisma Illya)
[CRIMSON GROUND (Miyashiro Sousuke)] Takao Onee-san no Hokyuu no Enshuu (Kantai Collection -KanColle-) [Digital]
(C84) [CRIMSON GROUND (Miyashiro Sousuke)] Houmatsu Mugen (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]
T*MOON COMPLEX R18 Soushuuhen
[H-SQUAD (Guglielmo)] Hokentaiiku Gakushuu Note ~Group Work Hen~ [Digital]
[Miyashiro Sousuke] Shukujo Doumei Triangle (Complete)
Theater Drama City
Futanari Kyokon Kuro Gal Kanojo to Benkyou Oheya Date da to Omottara Soku Onaho Atsukai Fukujuu Gyaku Anal nante... | What I Thought Was Going To Be A Study Date
V Tsumamigui
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
Ane To Megane To Milk6 - Free From Study
(C94) [Yatsukaan (Yatsuka Yuhata)] Minami Underground (THE IDOLM@STER CINDERELLA GIRLS)
Marshmallow Study!
絶景!乱交アイランド!!第一話
(C92) [A.S.G Group (Misonou)] Tou no Saijoukai de Hanayome o Machi Ukeru Uma wa Chotto Tegowai zo Kai (Dragon Quest V) [English] {doujins.com}
[Teri Terio] Tsuneaki-chan Benkyouchuu | Studying with Tsuneaki! (COMIC X-EROS #02) [English] [4dawgz + Maipantsu]
(C81) [PNO Group (Hase Yuu)] Carni☆Phan tic factory (Carnival Phantasm) [English] [Tigoris Translates] [Incomplete]
Atsumi to Kiyora no Love Study!
Eros & Elves
(C83) [99mg (Coconoe Ricoco)] study room
[Natsu no Oyatsu] Chibo Soukan - Nasty mother Incest [Chinese] [靴下汉化组]
(COMIC1☆11) [Pale Scarlet (Matsukawa)] Jasmine to Jessica to | Jasmine and Jessica and (Granblue Fantasy) [English] {Doujins.com}
Shishunki no Obenkyou 2 | Puberty Study Session 2
Pleasure Ground
(C90) [Kikyakudou (Karateka Value)] The Sarasa of Ground Zero (Granblue Fantasy)
Underground
[Shiruka Bakaudon] Uramono Zasshi No Fan Wa Yahari Orokamono De Aru | Fans of Underground Magazines are Truly Fools (COMIC Mate Legend Vol. 15 2017-05) [English] [Digital]
[Byousatsu-Tanukidan (Saeki Tatsuya)] mao-bon (Rikujou Boueitai Mao-chan)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
A.S.G Group Futakoma Manga Gekijou
[Makio] Hot Ice (Comic lo 2014-03) [English] {5 a.m.}
(C72) [Kirimochi Texture (Yoyoyoyou)] Hentai Ichidou Ground e Shuugou!! (Mitsudomoe)
(C82) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]
ABC Studying Adult ABC%27s With The Blonde Haired Woman
Boku, Yuusha no Hazu nanoni... Nakama Atsume ga Kitsusugite! | Even Though I'm Supposed To Be The Hero... But These Group Meetings Are Too Much!
[Group NEKO (WOODY)] ORANGE CRUSH K-I-M-A-G-U-R-E Subcharacter EDITION (Kimagure Orange Road) [English] [sphynxtoronto] [Incomplete]
(C85) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory 5 (Fate/zero) [English] {Tigoris Translates}
[yasu] Saimin Gakusei Shidou ~Adachi Minami no Baai~ | Hypno Sexual Studies ~The Case of Adachi Minami~ (COMIC Unreal 2020-08 Vol. 86) [English] {Doujins.com}
Friends Gyaku Rape Goudoushi 2
Zokubutsu.zip Chika | Underground
Aigan Aido
[PNO Group (Hase Yuu)] Motto! Ilya Bunhokan Keikaku (Fate/stay night)
Naganami-sama ni Haechatta!
Chika 30m no Mitsugetsu o... | Honeymoon at 30 meters underground
[Akiyama Kenta] Eh~Ken!! - Movie Study Club Ch.1-7.5 (Comic Aun 2013-2014) [English] [The Lusty Lady Project]
Inbou Kyousei Kairaku Esute Zenpen | Underground Forced Pleasure Salon Part 1
(C58) [Group Hinoran (Wang-Pac)] JULY 52
[Nekonomori Maririn] Koneko no Gakushuchou (Kitten Studies) [English] [SaHa] [Decensored]
Let's Study xxx
Steady Study
SStudy Ch.0-24
SStudy Ch.0-26
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Digital]
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
(C87) [PNO Group (Hase Yuu, Yamamoto Ryuusuke, Hikawa Yuuki)] Carni☆Phan tic Factory 7 (Fate/kaleid liner Prisma Illya, Fate/Zero) [English] [Tigoris] [Incomplete]
[Fractal Underground Studio] Pantsu Kuronikuru
Bokkin no Tsukasabashi Oni to Tengu no Futanari Gassen
[Jairou] Seikyouiku wa Rankou de | Sexual Education Through Group Sex (COMIC saseco Vol. 3) [English] {BishiBashi} [Digital]
(C71) [ARESTICA, D.N.A.Lab. (Ariko Youichi, Miyasu Risa)] Velvet Underground (Sumomomo Momomo)
[Black Monkey] Study Together [Chinese][水之源汉化组]
(C88) [CRIMSON GROUND (Miyashiro Sousuke)] Atago-neesan to Hokyuu o Isshuukan (Kantai Collection -KanColle-)