(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka Magica) [English] [CGrascal]
Underground Hotel Vol. 2
[Morinaga Milk] Study After School
(C83) [Holiday School (Chikaya)] Steady Study (Summon Night 3)
Shimakaze-kun no Kansen Keiro
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
Ashford Gakuen Underground
(C54) [Group 601 (Various)] Group 601 20 Shuunen Kinen Bon GROW UP [Incomplete]
Ground Zero
(C75) [PNO Group (Hase Yuu)] Waha ☆ Para (Suigetsu)
[Freedom Prophet] Cool () Study session
Bokkin no Tsukasabashi Oni to Tengu no Futanari Gassen
(ComiComi8) [GROUND-Zero (Inui)] Riro Seizen (Touhou Project)
[Yanagi Masashi] Kawai onna to yobaretai
(C89) [PNO Group (Hase Yuu, Hikawa Yuuki)] Carni☆Phan tic Factory 9 (Fate/kaleid liner Prisma Illya)
(C89) [PNO Group (Hase Yuu)] Illya to Nakadashi (Fate/kaleid liner Prisma Illya)
Shishunki no Obenkyou Saishuu-banashi | Puberty Study Session Final Chapter
Grounds for Fighting [English] [Rewrite] [olddog51]
[Hase Tsubura] Rankou Hisho - The Secretary Who Does Group Sex
(C62) [Anorak Post (Akiyoshi Yoshiaki)] Love Mao (Ground Defense Force Mao-chan)
The MERCENARIES
[Fractal Underground Studio] Pantsu Kuronikuru
[chirarizumu] Aka to Kuro╱UNDER GROUND & Chijou no Hoshi (Gurren Lagann, Darker than Black)
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
[Tenma Femio] Yokkyuu Fuman no Hitozuma wa Onsen Ryokan de Hageshiku Modaeru 01-17 [Digital]
[Crazy Clover Club 07] Rikujyou Bouei Tai! Mao-chan - Riku-mao Complex
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [Chinese] [戀芙蘭催婚協會會長封獸鵺個人漢化]
[Jishin Kajyou (GROUND)] Yami no Aikatsu Boot Camp (Aikatsu!) [Digital]
Vtuber Sokuhame Kairaku Ochi Hon 2
(COMITIA115) [Group Hinoran (Wang-Pac)] Koakuma no Scorebook
[ground-k (Kaneda)] Kyou no Ounou (Durarara!!)
[Guchokuya] Guchokuya Dai 4 Gou
[Jyoka] Hachishaku Hachiwa Keraku Meguri - Igyou Kaikitan
(C67) [Hachiouji Kaipan Totsugeki Kiheitai (Makita Yoshiharu)] HAPPY FEVER HEAT! (Girls Bravo) [English] [Doujin-World & hentaigroup]
SStudy Ch.0-42
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
[Husky guy] SStudy Ch.0-27 (English) (YoManga) (Ongoing)
The Match
SStudy Ch.0-37
After School Studies
V Tsumamigui
(C80) [PNO Group (Hase☆Yuu)] Boku wa Lotte-sama no Omocha desu ga, Nani ka? (Lotte no Omocha!)
[Shiwasu no Okina] Sousa e-Gakari Ishihara Mina!! | The Case of the JR Group (Nosewasure) [English]
1/10 Scale Wonderground
Issho ni Obenkyou... Shiyokka? | Would You Like to... Study Together?
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
Family Porn [English] [Rewrite] [EZ Rewriter]
[Husky guy] SStudy Ch.0-34 (English) (YoManga) (Ongoing)
FGO 浣腸絵集
Marshmallow Study!
(C92) [CRIMSON GROUND (Miyashiro Sousuke)] Scathach Shishou to Celt Shiki Gachihamex! (Fate/Grand Order)
[Hashida Mamoru] O Benkyou Shiyo!! | Let's Study (COMIC RIN 2005-03 Vol. 3) [English] [Random Translator]
Eros & Elves
各国艦娘浣腸絵集
[PNO Group] Nanako-chan Man Maru [JAP][C74]
Ashita no Atashi | Tomorrow's Me
Under Ground
(C71) [ARESTICA, D.N.A.Lab. (Ariko Youichi, Miyasu Risa)] Velvet Underground (Sumomomo Momomo)
Triad Primus wa Producer ni ○○○ Saretai!
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
(C81) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory (Carnival Phantasm)
(C55) [Group Hinoran (Wang-Pac)] Skirt Tekireiki | Skirtable age
[Yui Toshiki] ReYui Vol.3
Seiseki Koujou!? Sakura Sensei no Home Study
Naganami-sama ni Haechatta!
(C66) [GROUND-Zero (Inui)] Yuugen Jikkou (Touhou Project)
(C88) [PNO Group (Hase Yuu)] Ilya Bunhokan Keikaku Bangaihen Ilya x3 (Fate kaleid liner Prisma Illya) [English] [Tigoris Translates]
[Under Ground] Grandia (Sailor Moon)
[Mokkouyou bond] Sex Costume
UNDER GROUND final
[Napo] Let's Study! (COMIC ExE 16) [English] [Digital]
[PNO GROUP(Hase Yuu)] Bishoujo Sentai Petalicon gaiden ~otona no jijyo de huin sareta hanashi toka~
Underground Hotel Vol. 1
[PNO Group (Hase Hiroshi)] Madamada!! Illya Bun Hokan Keikaku! ~Konya mo Asa made Love Love H Hen~ (Fate/stay night) [English] [Tigoris Translates]
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
(C88) [PNO Group (Hase Yuu)] Ilya Bunhokan Keikaku Bangaihen Ilya x3 (Fate/kaleid liner Prisma Illya) [Chinese] [脸肿汉化组]
Mashiro Benkyoukai | Mashiro's Study Session
Buchou to Kachou | 部长与课长 1-3
[Uchida Koneri] Mama ni Nakadashi - Die intravaginale Ejakulation zu Mutter | 媽媽被中出了 [Chinese]
(C84) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic Factory 4 (Fate/stay night, Fate/zero)
[Groucho (Enkin)] Azuki Azusa no Hentai teki na Seikatsu. (Hentai Ouji to Warawanai Neko.) [Chinese] [白雪纷飞个人汉化]
(C63) [T2 ART WORKS (Tony)] Kaburimon Vol. 1 (Ragnarok Online) [English] [Doujin-World + Hentaigroup] [Decensored]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
[Jairou] Nanika Ayashi Eizou Kenkyuu-bu Scene:00 Noa-san no Nyuubu-shiki | Something Unusual About This Film Studies Club - Scene:00 Noa-san's Welcome Party (COMIC MILF 2017-08 Vol. 37) [English] [Digital]
Underground Sex Fight Club
Uruka no Saimin Benkyoukai | Uruka's Hypno Study Group
Seieki ga o Kane ni Natta Sekai~ Seieki Meate no Onna to Yari Hodai Haremu!
Shousa, Otori Sousa o Suru | Group Molester Decoy Investigation
Takonyuu~
Friends Gyaku Rape Goudoushi 2
Sex Study
Futanari Kyouiku Kihonhou
Mushaburi Learning | Let's Study Penis
(C88) [PNO Group (Hase Yuu, Hikawa Yuuki)] Carni☆Phan tic Factory 8 (Fate/kaleid liner Prisma Illya) [English] [Tigoris Translates] [Incomplete]
Shirouto Toukou Taiken Joshi Kousei Mawasare chatta Houkago
(SC15) [Kyougetsutei (Miyashita Miki, Mochizuki Nana)] Oh My Honey! (Harry Potter) [English] [HentaiGroup]
[Kowareta Omocha (Utida K)] Yuki chan wa Hokenshitsu no Semen Idol♂ [Digital]
SStudy Ch.0-44
Let's Study xxx2
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
(C84) [Nuno no Ie (Moonlight)] Let's Study xxx 2 (Love Live!)
[Atte Nanakusa] Katekyou Break Time | Home Study Break Time (COMIC LO 2017-01) [English] [SaishoHikari] [Digital]
(C69) [PNO Group (Hase Yuu)] Ikunon Manga 2 (ToHeart2)
(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}
[A・I・U SHOW COMMUNICATION] LUCKY☆STUDY (Lucky Star)
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
[Husky guy] SStudy Ch.0-33 (English) (YoManga) (Ongoing)