(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
[Seto Yuuki] Stretta Ch. 2 | I Can't Study (Side B) [English] [RyuuTama] [Decensored]
[ECO] Under Ground
Watashi ga Maketara Nandemo Iu Koto Kiite Ageru
Pure Majo Study XXX | Unschuldige Zauberstunde XXX
(C80) [PNO Group (Hase☆Yuu)] Boku wa Lotte-sama no Omocha desu ga, Nani ka? (Lotte no Omocha!)
NozoNicoshiki xxxx-Juku | NozoNico Style XXXX Study
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
[Ponsuke] Ecchi na Benkyou Otomarikai | Naughty Study Sleepover (COMIC LO 2015-07) [English] {5 a.m.}
Kyuujitsu no Sugoshikata
(C88) [Group Hinoran (Wang-Pac)] Kuroobi Princess Enchousen
(SPARK8) [Radistar (157)] Triglav Underground Railway (Tales of Xillia)
Yarikomi Man
Study Abroad
[Marui Maru] Taigaiteki Jikoai e no Kousatsu | A Study on External Narcissism (MuchiMuchi ♥ Cream Pie) [English] [PSYN] [Digital]
SStudy Ch.0-28
[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)[Chinese] [沒有漢化]
Chika Tougijou Sen - Underground Colosseum Sen 5
Shirou-kun Harem!!
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-6 [English] {Brolen}
Shishunki no Obenkyou | Puberty Study Session Ch. 1-6
[Takanabe Chitose] UNDER GROUND
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
[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]
Shimoji-san Study !
[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}
DEEP BLACK
Chika Tougijou Sen - Underground Colosseum Sen 2
[Jyoka] Hachishaku Hachiwa Keraku Meguri - Igyou Kaikitan
[Makio] Hot Ice (Comic lo 2014-03) [English] {5 a.m.}
Ovulation Day Attraction
(C63) [Momo no Tsubomi (Various)] EruEru 18 (Various)
May 2017 Reward
Onee-chan's boot style study session
Maso no Keifu
Koko de Futaana Nakadashi tte Hontou desu ka!?
Completely Exposed Studying!
[necoJET] Benkyou Shiyou! - Let's Study!
Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku
Secret Study Session 2 Nino-chan to Dokidoki Benkyoukai
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}
Sofia-san wa Kashikoi ♥
Boku no Bimama o Tomodachi ga Dakitai toiu no de Mechakucha SEX Sasete Mita
ABC Studying Adult ABC%27s With The Blonde Haired Woman
(C82) [PNO Group (Yamamoto Ryuusuke, Hikawa Yuuki, Hase Yuu)] Carni Phan tic Factory 2 (Fate/stay night, Fate/zero) [English] [Tigoris Translates]
Secret Study
Chika Tougijou Sen - Underground Colosseum Sen 4 | 지하투기장 센4
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}
The Sexy, Heart-Pounding Study ~Taking the Sisters As His Girlfriends-END
[Edge Edge] SStudy Ch.0-25 (English) (YoManga) (Ongoing)
FGO 浣腸絵集
Triad Primus wa Producer ni ○○○ Saretai!
[batsu] Shimoji-san Study ! (COMIC Shitsurakuten 2018-10) [Chinese] [實際上確實不可能不過你別忘了這是漫畫漢化組] [Digital]
(C84) [PNO Group (Hase Yuu)] Yarikomi Man (Disgaea) [English] {doujin-moe.us}
(C62) [Crimson Comics (Carmine)] Watashi Wa Kyozetsu Suru | Rejection (Bleach) [English] {HENTAIGROUP}
(C71) [Ground Level (Asano Hiro)] Bright shine on Time 7 (The Melancholy of Haruhi Suzumiya)
Movie Study Club 7.5 (EXTRA CHAPTER!)
(C69) [PNO Group (Hase Yuu)] Ikunon Manga 2 (ToHeart2)
[China] JC Shuudan Rape Mensetsu! Shiritsu Ryoujoku Joshikou | Middle School Group Rape Interview! Private Rape School (COMIC Grape Vol. 18) [English] [B.E.C. Scans] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
ミラージュ裏日記
(C84) [PNO Group (Hase Yuu)] Carni☆Phan tic Factory 4 (Fate/zero) [English] [Tigoris Translates] [Incomplete]
Let's Study xxx
Let's Study!
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
SStudy Ch.0-31
The Study of the Heart and the Body
V Tsumamigui
Umi-chan o Futari de Succhau Hon
Chit Chat
[Shiwasu no Okina] Sousa e-Gakari Ishihara Mina!! | The Case of the JR Group (Nosewasure) [English]
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
(C75) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Punokan 2 (To LOVE-ru, Code Geass)
[Kiya Shii] Momo-iro Study! [Digital]
絶景!乱交アイランド!!第一話
Omakebon 9
Kanzen Haiboku Aigan Senshi Soushuuhen
(C99) [CRIMSON GROUND (Miyashiro Sousuke)] Kyuujitsu no Sugoshikata -Higuchi Madoka hen- (THE iDOLM@STER: Shiny Colors) [Chinese] [黄记汉化组]
(SC16) [PNO Group (Hase Yuu)] Chobi ☆ Ichigoten | Chobits #1 Shop (Chobits) [English] [EHCOVE]
SStudy Ch.0-40
Let's Study xxx2
Hitsugi
[青水庵、四万十川、準社員井上] 現役女子大生と、いやらしいドン勝 [Ongoing]
Shishunki no Obenkyou 5 | Puberty Study Session 5
Viva La Kaitou Bitch - Konya, Kogane no Fist Vibe o Itadakimasu | Viva La Phantom Bitch
[Actuator] Ryuugaku Shita Osananajimi | My Childhood Friend Who Went to Study Abroad [English] [HappyMerchants]
SStudy Ch.0-39
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
(C84)[PNO Group (Hase Yuu)] Full Color☆Illya Bun Hokan Keikaku! (Fate/stay night)
SStudy Ch.0-32
(C79) [CRIMSON GROUND (Miyashiro Sousuke)] DEEP BLACK (Pokemon) [English] {doujin-moe.us}
Devil's Playground
(C88) [PNO Group (Hase Yuu, Hikawa Yuuki)] Carni☆Phan tic Factory 8 (Fate/kaleid liner Prisma Illya)
Pure Majo Study XXX {NecroManCr}
(C88) [A.S.G Group (Misonou)] Monster to Orusuban Suru Seikatsu (Dragon Quest V)
[Chunrouzan] Shougakusei no Rankou Jijou - Schoolchild's Group Sex Circumstances [Digital]
[Shinkirou Akatsuki (Itten Chiroku)] Dememan (Haunting Ground) [English]
Kawaii Ano Ko wa Futanari-kei Nikushoku Joshi Ch. 2
(C84) [CRIMSON GROUND (Miyashiro Sousuke)] Houmatsu Mugen (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]
[BIG BOSS] Ichioku Sou Gyokusai╱Souko Sensei no Hachimitsu Jugyou (Rikujou Boueitai Mao-chan, Asagiri no Miko)
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral) [Digital]
Underground wrestling
(C87) [PNO Group (Hase Yuu, Yamamoto Ryuusuke, Hikawa Yuuki)] Carni☆Phan tic Factory 7 (Fate/kaleid liner Prisma Illya, Fate/Zero) [English] [Tigoris] [Incomplete]
SStudy Ch.0-42
My Childhood Friend Who Went to Study Abroad 2
[Ushino Kandume] Horetara Make | You Love, You Lose. (COMIC HOTMILK 2019-02) [English] [Rotoscopic + Nero] [Digital]
(Puniket 20) [Chronolog, Shoujo Zukin (Sakurazawa Izumi, Hatomugi Munmun)] Alice in the underground (Soul Eater)
[Manbun no Ichi (Parmiria)] Futanari Udon no Tabehoudai ~Saiminfuu~ (Touhou Project) [Chinese] [拉玛哥诚不我欺也汉化] [Digital]
(C82) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS (THE iDOLM@STER CINDERELLA GIRLS)
(C62) [Anorak Post (Akiyoshi Yoshiaki)] Love Mao (Ground Defense Force Mao-chan)
(C64) [Group Hinoran (Various)] 7in. Nanahari