(C86) [Nuno no Ie (Moonlight)] Let's Study xxx 4 (Love Live!)
[PNO Group] Nanako-chan Man Maru [JAP][C74]
Suzuya IN 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]
[Husky guy] SStudy Ch.0-28 (English) (YoManga) (Ongoing)
[Senya Sabou (Alpha Alf Layla)] A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist [English] [Mr_Person] [Digital]
[Godou Kotarou] Ikumi Yoshikawa wants to do groundwork [天希个人汉化]
(C86) [Nuno no Ie (Moonlight)] Let's Study ×××4 (Love Live!) [English] [Facedesk]
(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}
[Napo] Let's Study! (COMIC ExE 16) [Chinese] [Digital]
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- [English] {Brolen}
(C54) [TEX-MEX (Red Bear)] Ground Zero (Street Fighter) [English] [iambobokay]
[Tsukimori Izumi] Systematic Study Group [English][SaHa]
SStudy Ch.0-8
(C82) [A・S・G Group (Misonou)] Katai Onna Hpdo Moeagaru!! "Urokoteki naImide" (Dragon Quest Monsters)
[Starmine18 (HANABi)] Boku to Onee-san no Kimochii Obenkyou | My And My Onee-san's Pleasurable Studies [English] {Doujins.com} [Digital]
Afterschool Kozukuri Study Group
A.S.G Group Futakoma Manga Gekijou
SStudy Ch.0-40
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
【Korotsuke(コロツケ)】Bitch Ranking + Married Woman Catching App ♀ + Ground Technique Master ♀ + Mom's Volleyball Club ♀ [Chinese] [海虎战神汉化组汉化]
[Groucho (Enkin)] Azuki Azusa no Hentai teki na Seikatsu. (Hentai Ouji to Warawanai Neko.)
Underground Hotel Vol. 3
[AliceSoft] [Full Color Seijin Han] DARCROWS Daiichimaku Complete Ban [Digital]
(SPARK10) [Tamagawa (Suzuki)] STUDY (Kekkai Sensen)
(C83) [Tricot (Stella.Ing)] From The Underground (The Legend Of Zelda) [English] =SW=
Sakiko-san in delusion Vol.8 revised ~Sakiko-san's circumstance at an educational training Route3~ (collage) (Continue to “First day of study trip” (page 42) of Vol.1)
The girl who loves to study | Benkyo suki no onnanoko
(C57) [Group 601 (Various)] SISSY (Various)
(C84) [PNO Group (Hase Yuu)] Yarikomi Man● (Disgaea)
Naburare Vampire | Toying With A Vampire
(C71) [PNO Group (Hase Yuu, Hikawa Yuuki)] TH2tic Factory -XRATED- 2 (ToHeart 2)
[Underground dou] Koushuu Benjo Shounen
[PNO Group (Hase Yuu)] Motto Motto!! Illya Bun Hokan Keikaku! ~Natsu Nangoku Vacances Hen~ | Even More! The Ilya Supplement Plan! (Fate/stay night) [English] [desudesu]
Shirouto Toukou Taiken Joshi Kousei Mawasare chatta Houkago
[Dayoo] Lonely Playground Ch. 1 [Chinese] [拾荒者汉化组] [Digital]
[Group I.N (toroi)] Kaiun no Taimashi Nozomi 5 1/ 2
Naisho no benkyou | Secret Study Time
Study Together
(C74) [PNO Group (Hase Yuu, Yamamoto Ryuusuke, Hikawa Yuuki)] TH2 Anadichikku Factory (ToHeart 2 Another Days)
A Study on the Boundaries of Cheating
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]
[Undergroundou] Himitsu no Mori e Youkoso - Welcome To The Secret Forest
ReSet
Secret Study Session
Chika Tougijou Sen - Underground Colosseum Sen
[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]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Chinese] [沒有漢化] [Digital]
(C81) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory (Carnival Phantasm)
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
Let's Study xxx 4
(C54) [Group 601 (Various)] Group 601 20 Shuunen Kinenbon GROW UP (Various)
(Undergroud Carnival) [Namaco's Tail (Mutenka)] KoiSato magic (Touhou Project)
[GENOCIDE (Hattori Gorou)] S4U spats forever The UNDERGROUND insert SATONAKA CHIE (PERSONA 4) [Digital]
(CR32) [Kyomu no Uta (Satou Toshio)] GENERAL FOUL-UP (Various)
Sister Groupie [English] [Rewrite] [EZ Rewriter]
A Study in Rosy
[Ryoumoto Hatsumi] The girl who loves to study | Benkyo suki no onnanoko (Onnanoko wa Sono Yubi no Ugoki ni Yowain desu) [English] [Digital]
Underground Athlete Maker
[Archives (Hechi, Sanada Kana)] Group Kaisan-go... Ochita Idol (Love Live!) [Digital]
SStudy Ch.0-33
[Ukkaridou] Nanaka No Mahou de (Nanaka6/17)
[Group NEKO (WOODY)] MAGIC GALS Select Memory (Various)
[TIES (Takei Ooki)] Onegai! FireSisters★ -Soushuuhen- (Bakemonogatari) [English] {Various groups}
Kyuujitsu no Sugoshikata
(C81) [CRIMSON GROUND (Miyashiro Sousuke)] Erotic Crimson Plus (Shinkyoku Soukai Polyphonica)
(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground [English] [SaHa]
Hitsugi
Humiliation underground
Secret Study Session
(C85) [Pettanko! (0-G)] Ily☆Kuro-san Chi no Jika Hatsuden to Ero Jijou (Fate/kaleid liner Prisma Illya)
[PNO Group (Hase Yuu)] Motto! Ilya Bunhokan Keikaku (Fate/stay night)
My Childhood Friend Who Went to Study Abroad 2
(CR29) [Hisuitei (Izumi Tsubasu, Sakai Hamachi)] Pure Study (Air)
(SC60) [Nuno no Ie (Moonlight)] Let's Study xxx (Love Live!)
[Husky guy] SStudy Ch.0-32 (English) (YoManga) (Ongoing)
[Shinobe] Sweet Devil (PLUM FE Vol.8) [English] [BSN] [Digital]
[Goban] Renai Katekyo + secret study [English]
Let's Study ×××2
[Makigai Ikko] Miboujin Shakkin Jigoku Ch. 1 [English] {Rookie84}
(C82) [PNO Group (Yamamoto Ryuusuke, Hikawa Yuuki, Hase Hiroshi)] Carni Phan tic Factory 2 (Fate/stay night, Fate/zero)
Alpha ga Alpha o Daku Houhou | α与α做爱的方法 1-6 完结
Movie Study Club Episode 3
Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.
UNDER GROUND final
Underground Hotel Vol. 2
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
[CRIMSON GROUND (Miyashiro Sousuke)] Takao Onee-san no Hokyuu no Enshuu (Kantai Collection -KanColle-) [Digital]
(C80) [CRIMSON GROUND (Miyashiro Sousuke)] Mamitte Finale (Puella Magi Madoka Magica) [English] [CGrascal]
(C83) [Holiday School (Chikaya)] Steady Study (Summon Night 3)
(brilliant days) [nolla (Noni)] a bloom trampled on the ground 1 (Ensemble Stars!)
(C69) [PNO Group (Hase Yuu)] Ikunon Manga 2 (ToHeart2)
[Group Hinoran (Wang-Pac)] Hadaka no Hachigatsu | Naked August [English] [FishnChips]
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu | Indecent Win With A Female College Student (PlayerUnknown's Battlegrounds) [English] [sirpiers]
SStudy Ch.0-29
Immoral na Obenkyou - Immoral Study | 부도덕한 공부
[Teri Terio] Tsuneaki-chan Benkyouchuu | Studying with Tsuneaki! (COMIC X-EROS #02) [English] [4dawgz + Maipantsu]
(C86) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS SR (THE iDOLM@STER CINDERELLA GIRLS)
[Archa1c (Nada Shio)] Kaibutsu Musume Studies - Monster Girl Studies
ICE BOXXX 12 Teron's Study of Offspring Survival
[Himeno Mikan] Secret Studies [Eng] [Mistvern]
Rokakushita Ritou-chan ga Kawaikatta node...
Study Abroad
Shishunki no Obenkyou Saishuu-banashi | Puberty Study Session Final Chapter
UNIGAL
[blackmonkey] study together
(C85) [Nuno no Ie (Moonlight)] Let's Study xxx 3 (Love Live!)
I Can't Study
(C88) [Plott (Ryuuna)] Study Steady (Fire Emblem Kakusei)
[Senya Sabou (Alpha Alf Layla)] A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist [Digital]
(Underground Carnival) [Kougeki (Ootsuki Wataru)] Speechless (Touhou Project)
[AliceSoft] [Full Color Seijin Han] DARCROWS Dainimaku Complete Ban [Digital]
Saiin Sennou Salon ~Urenai Idol Group Saisei Keikaku~
[Abio4, Bangkki] Sextudy Group (1-28) [English] [Ongoing]
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)
Mashiro Benkyoukai | Mashiro's Study Session
[CRIMSON GROUND (Miyashiro Sousuke)] Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku (Granblue Fantasy) [Digital]
I want to be taught by my sister~my sister's study time
Minami Underground
[16 Kenme] Social studies club (shota)
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.0-42
Hitsugi
Girls Study [Harumi Chihiro] [ENG]
[Sasayama Ayako] steady study
Vtuber Sokuhame Kairaku Ochi Hon 2
(C94) [Yatsukaan (Yatsuka Yuhata)] Minami Underground (THE IDOLM@STER CINDERELLA GIRLS)
Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study
[Abio4, Bangkki] Sextudy Group (1-27) [English] [Ongoing]
Scathach Shishou to Celt Shiki Gachihamex!
[Waffle Doumeiken (Tanaka Decilitre)] Sore Ike! Megumin Touzokudan | Over There! Megumin's Thief Group (Kono Subarashii Sekai ni Syukufuku o!) [English] [Doujins.com]
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
[Usashiro Mani] Marshmallow Study! (Digital Puni Pedo! Vol. 12) [English] {Mistvern}
Zokubutsu.zip Chika | Underground
Manga study’s Fujiki-San
Himitsu Yuugi | 비밀유희
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!