(C86) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory 6 (Fate/zero) [English] {Tigoris Translates} [Incomplete]
[CRIMSON GROUND (Miyashiro Sousuke)] Sagisawa Fumika wa P ni Guchogucho ni Saretai! (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- [English] {Brolen}
Chika Seikou Tougi Club | Underground Sex Fight Club
Study abroad inLady Anna's mansion
Chika Tougijou Sen - Underground Colosseum Sen 2
Shishunki no Obenkyou 3 | Puberty Study Session 3
(COMIC1☆15) [CRIMSON GROUND (Miyashiro Sousuke)] Kuroki Mori no Majo no Tai
[Husky guy] SStudy Ch.0-26 (English) (YoManga) (Ongoing)
甘い研究 ~A study in sweet~
[SaHa] Fractal Underground - Warm Kotatsu (English)
(C84) [PNO Group (Hase Yuu)] Priya Toppatsu Bon Moshimo Ichiwa no Ano Scene de... (Fate/kaleid liner Prisma Illya)
Under Ground
(C54) [TEX-MEX (Red Bear)] Ground Zero (Street Fighter) [English] [iambobokay]
The Match
After School Studies
(CR30) [SOFTCHARM (SOFTCHARM)] FULL-SWEEP EARLY UNDERGROUND (Various)
[Jairou] Seikyouiku wa Rankou de | Sexual Education Through Group Sex (COMIC saseco Vol. 3) [English] {BishiBashi} [Digital]
Pure Majo Study XXX
[Group I.N] Kaiun no Taimashi Nozumi 3
Sakiko-san in delusion Vol.7 ~Sakiko-san's circumstance at an educational training Route2~ (collage) (Continue to “First day of study trip” (page 42) of Vol.1)
SStudy Ch.0-26
Saiin Sennou Salon ~Urenai Idol Group Saisei Keikaku~
[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]
[BIG BOSS] Ichioku Sou Gyokusai╱Souko Sensei no Hachimitsu Jugyou (Rikujou Boueitai Mao-chan, Asagiri no Miko)
SStudy Ch.0-24
USHI to KOBUSHI | 소와 주먹
(C85) [Nuno no Ie (Moonlight)] Let's Study xxx 3 (Love Live!)
[Group Hinoran (Wang-Pac)] 師走の酉
(C83) [Holiday School (Chikaya)] Steady Study (Summon Night 3)
(C63) [Junk Arts (Nukiyama Gaisei)] Teikyoudo Funsou to Sekai Shin Chitsujo - Low-Intensity Conflict and World New-Order (Ground Defense Force Mao-chan)
[Godou Kotarou] Ikumi Yoshikawa wants to do groundwork [天希个人汉化]
Shishunki no Obenkyou Saishuu-banashi | Puberty Study Session Final Chapter
The Sexy, Heart-Pounding Study ~My First Love of an Onee-san is a Gravure Idol
Chika Tougijou Sen - Underground Colosseum Sen 4 | 지하투기장 센4
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [Decensored]
(C43) [Group 601 (Various)] LADY BE GOOD (Floral Magician Mary Bell, Yadamon)
ELF SLAVE CATALOG UNDERGROUND Vol.02
(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka Magica) [English] [CGrascal]
SStudy Ch.0-29
Yakou no Oshigoto
Ground Zero
My Stomach is not a Breeding Ground for Bugs
Ningen wa Oroka | Humans Are Foolish
(C84) [CRIMSON GROUND (Miyashiro Sousuke)] Houmatsu Mugen (THE iDOLM@STER CINDERELLA GIRLS)
(C66) [GROUND-Zero (Inui)] Yuugen Jikkou (Touhou Project)
Yogosare Vampire
(C82) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]
[Shinkirou Akatsuki (Itten Chiroku)] Dememan (Haunting Ground) [English]
Shishunki no Obenkyou 4 | Puberty Study Session 4
A Study on External Narcissism
(C88) [Group Hinoran (Wang-Pac)] Kuroobi Princess Enchousen [Sample]
(C56) [Group 601 (Various)] Mahou Shoujo no Seiki (Various)
DWU Sennou Ryoujoku
(C57) [Group 601 (Various)] SISSY (Various)
(Reitaisai 15) [Arutana (Chipa)] Kokoro Onee-chan to H na Obenkyou | Study-Time with Kokoro Onee-chan (Touhou Project) [English] [Mister lol]
[Shiwasu no Okina] Sousa e-Gakari Ishihara Mina!! | The Case of the JR Group (Nosewasure) [English]
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
Let's Study xxx2
[Black Monkey] Study Together [English] (Uncensored + CG)
[Ryo] Tomodachi ni Nayami o Soudan Shite Mitara Ayashige na Basho ni Tsurete Koraremashita. | I went to my friend for advice but instead she took me to a shady underground club. (COMIC Tenma 2014-07) [English] =LWB=
Atsumi to Kiyora no Love Study!
[Yue] Sensitive Sugite Chijouha Shutsuen ga Hakushi ni Nattanode P-san ni Nagusame Sex shite Morau Chounyuu Chika Idol-chan | A Hypersensitive, Saggy Breasted Underground Idol Blanks Out on Network TV and Has Consolation Sex with P-san [English] [korafu]
Secret Study Session 2 Nino-chan to Dokidoki Benkyoukai
Minami Underground | 미나미 언더그라운드
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project)
[Hamusuta-nonikomi (Motsuaki)] Shuugaku Ryokou de YouCha to Onaji Group ni Nacchatta Mekakure InCha-chan
(C84) [PNO Group (Hase Yuu)] Yarikomi Man (Disgaea) [English] {doujin-moe.us}
Movie Study Club Episode 5
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
[Moo] Koharu-chan to "Obenkyou" Suru Mousou E | "Studying" with Koharu-chan (Blue Archive) [English] [DMC]
(C62) [Anorak Post (Akiyoshi Yoshiaki)] Love Mao (Ground Defense Force Mao-chan)
Houmatsu Mugen
[Straw] Yumi's Study Abroad (Week 24) [English] (On-going) [a2Translation]
[ffkan]Underground Battle 5
Grounds for Fighting [English] [Rewrite] [olddog51]
Devil's Playground
(C90) [PNO Group (Hase Yuu)] Illya to Nakadashi 2 (Fate/kaleid liner Prisma Illya)
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-3 [English] {Brolen}
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
[Edge Edge] SStudy Ch.0-25 (English) (YoManga) (Ongoing)
JK Mama no Shiken Taisaku | High School Mom's Study Plan
(C73) [PNO Group (Hase Yuu)] Illya with SellaLeys-bun Hokan Keikaku!!! (Fate/kaleid liner Prisma Illya) [English] [Chocolate]
Completely Exposed Studying!
Yagai 072 Shumi ga Aru Ryman ga Furyou-tachi ni Mitsukatte Shimau no Tsuzuki ShouSca Chuui | Succession:A Serious Businessman With A Hobby Of Outdoor Masturbation Is Discovered By A Group Of Delinquents
(C87) [PNO Group (Hase Yuu, Yamamoto Ryuusuke, Hikawa Yuuki)] Carni☆Phan tic Factory 7 (Fate/kaleid liner Prisma Illya, Fate/Zero)
Chika Tougijou Sen - Underground Colosseum Sen 1
(C90) [A.S.G Group (Misonou)] Yamaoku e Ikou! | Let's Go Deep Into the Mountains! (Dragon Quest V) [English] [EHCOVE]
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
[Group NEKO (WOODY)] MAGIC GALS Select Memory (Various)
[Chunrouzan] Shougakusei no Rankou Jijou - Schoolchild's Group Sex Circumstances [English] [Toyo Translation + Stecaz] [Digital]
[Uchuu Teiou] Shoujo Yuugi Colorful
(Futaket 9.5) [serious graphics (ICE)] ICE BOXXX 12 Teron jin no Shison Sonzoku ni Kan suru Kousatsu | ICE BOXXX 12 Teron's Study of Offspring Survival (Space Battleship Yamato 2199) [English] {doujin-moe.us}
Onaji Group no YouCha Yarichin ni Nakaii Onna-tachi o Kuwareru InCha no Boku
(C50) [Group 601, P.A. Project (Various)] Chit Chat
[PNO Group (Hase Hiroshi)] Madamada!! Illya Bun Hokan Keikaku! ~Konya mo Asa made Love Love H Hen~ (Fate/stay night)
Kono Watakushi ga Saimin ni Makeru Wake Arimasen wa!
Henai Study
[ECO] Under Ground
(C78) [bolze. (rit.)] The Sunshine Underground (Heart Catch Precure)
(C84) [PNO Group (Hase Yuu)] Carni☆Phan tic Factory 4 (Fate/zero) [English] [Tigoris Translates] [Incomplete]
[PNO Group (Hase Yuu)] Libe-chan ga Kawaii Kattanode Tsui... (Kantai Collection -KanColle-)
(C74) [PNO Group (Hase Yuu, Yamamoto Ryuusuke, Hikawa Yuuki)] TH2 Anadichikku Factory (ToHeart 2 Another Days)
Zokubutsu.zip Chika | Underground
FABRICATION FLAVOR
[Matsumoto Drill Kenkyuujo] manga study’s Fujiki-San (English)
Mamitte Finale
PRETTY UNKNOWN'S BATTLEGROUNDS
[Group Hinoran (Wang-Pac)] Hadaka no Hachigatsu
[Nakamura Yukitoshi] Underground Athlete Maker (2D Comic Magazine Kikaikan Ningen Bokujou Vol. 2) [English] [Digital]
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
Kyuujitsu no Sugoshikata
(C89) [Jishin Kajyou (GROUND)] Yogosare Vampire (Aikatsu!)
Underground Dream
Sex Study
[Group 601] ningyou no chinutsu (Rozen Maiden)
[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]
SStudy Ch.0-31
(C85) [A.S.G Group (Misonou)] Sliding Dogeza 2013 (Dragon Quest)
(C82) [PNO Group (Yamamoto Ryuusuke, Hikawa Yuuki, Hase Yuu)] Carni Phan tic Factory 2 (Fate/stay night, Fate/zero) [English] [Tigoris Translates]
Sakiko-san in delusion Vol.8 ~Sakiko-san's circumstance at an educational training Route3~ (collage) (Continue to “First day of study trip” (page 42) of Vol.1)
SStudy Ch.0-25.1
SStudy Ch.75-77.5
[Husky guy] SStudy Ch.0-31 (English) (YoManga) (Ongoing)
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-6 [English] {Brolen}
[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]
Chika Tougijou Sen - Underground Colosseum Sen 5
A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist
Triad Primus wa Producer ni ○○○ Saretai!
[Group Neko (Woody)] Magic Gals V (Various)