(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)

ELF SLAVE CATALOG UNDERGROUND Vol.02

[Morinaga Milk] Study After School

(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)

Hitsugi

Yuri to Issho ni Obenkyou. | Studying Together with Yuri.

Movie Study Club 7.5 (EXTRA CHAPTER!)

(CCOsaka109) [La.C. (Narumi Meiko)] Oshiete Study (Akatsuki no Yona)

(C87) [Nuno no Ie (Moonlight)] Let's Study xxx 5 (Love Live!)

[Pikao] Marumie Study! (COMIC Kairakuraten XTC) [English] {biribiri}

[Anthology] Bessatsu Comic Unreal Teisou Kannen Gyakuten Hen [Chinese]

(C68) [Group Hinoran (Wang-Pac)] Beerhall Koiwai (Yotsubato!)

Devil Bitch Project

[Nanno Koto] Ganbare Minaho-chan!

(C88) [CRIMSON GROUND (Miyashiro Sousuke)] Atago-neesan to Hokyuu o Isshuukan (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]

[Abio4, Bangkki] Sextudy Group (1-28) [English] [Ongoing]

Umi Yama Sora no Monogatari

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)

(C82) [PNO Group (Yamamoto Ryuusuke, Hikawa Yuuki, Hase Yuu)] Carni Phan tic Factory 2 (Fate/stay night, Fate/zero) [English] [Tigoris Translates]

(C84) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic Factory 4 (Fate/stay night, Fate/zero)

(SPARK10) [Tamagawa (Suzuki)] STUDY (Kekkai Sensen)

[Abio4, Bangkki] Sextudy Group (1-25) [English] [Ongoing]

[Senya Sabou (Alpha Alf Layla)] A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist [Digital]

Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room

Shingeki no Moromoro

[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [English] [8/u/ Scanlations] [Digital]

Shousa, Otori Sousa o Suru | Group Molester Decoy Investigation

[Inoue Yoshihisa] Ground Ero

[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-3 [English] {Brolen}

(C84) [A.S.G Group (Misonou)] Jousenken wa Ken Janai no de Soubi Dekimasen (Dragon Quest IV)

Secret Study Session

(C99) [CRIMSON GROUND (Miyashiro Sousuke)] Kyuujitsu no Sugoshikata -Higuchi Madoka hen-(THE iDOLM@STER: Shiny Colors)

[Husky guy] SStudy Ch.75-77.5 (English)

(C63) [Group 601 (Oki Yukao)] Duck's Egg (Princess Tutu)

[Group NEKO (WOODY)] ORANGE CRUSH K-I-M-A-G-U-R-E Subcharacter EDITION (Kimagure Orange Road)

[Ukatsu de wa Nai (noukatu, Minase Kuru)] Vtuber Sokuhame Kairaku Ochi Hon (DeepWebUnderground, Tsukino Mito, Shizuka Rin) (English) (Pangean) [Digital]

[Kitsune Tsuki] Chinpo Shaburi no Renai Kenkyuu | Dick-Sucking Love Study (Love Lab) [English] =YQII=

[Crazy Clover Club (Shirotsumekusa)] Riku-Mao Complex (Ground Defense Force Mao-chan)

(C86) [Nuno no Ie (Moonlight)] Let's Study xxx 4 (Love Live!) [Chinese] [空気系☆漢化]

(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}

[Rinsun] KNight Mare Underground ~Shimai Kishi, Kanraku Dungeon~ ch. 2 [English]

Newaza de Ippon | Secret move gets a score on the ground

[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]

Saori to Atsuko ni Obenkyou Oshieru Hon | A Book About Teaching Saori and Atsuko How to Study

[Archives (Hechi, Sanada Kana)] Group Kaisan-go... Ochita Idol (Love Live!) [Digital]

Minami Underground | 미나미 언더그라운드

Fuyu no Arashi

Mashiro Benkyoukai | Mashiro's Study Session

[Cyclone (Izumi Kazuya, Reizei)] Kagami ni Mukau Shoujo (Various) [Digital]

[AliceSoft] [Full Color Seijin Han] DARCROWS Daiichimaku Complete Ban [Digital]

[necoJET] Benkyou Shiyou! - Let's Study!

Pure Majo Study XXX

(SPARK8) [Radistar (157)] Triglav Underground Railway (Tales of Xillia)

(C82) [PNO Group (Yamamoto Ryuusuke, Hikawa Yuuki, Hase Hiroshi)] Carni Phan tic Factory 2 (Fate/stay night, Fate/zero)

[Husky guy] SStudy Ch.0-26 (English) (YoManga) (Ongoing)

Ochita Pride

Pleasure Ground

(C79) [CRIMSON GROUND (Miyashiro Sousuke)] DEEP BLACK (Pokemon) [English] {doujin-moe.us}

NUUDLE: Exhibitionist Style Idol Group That Gets Fully Nekkid

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

(C86) [PNO Group (Hase Yuu)] Rokakushita Ritou-chan ga Kawaikatta node... (Kantai Collection -KanColle-) [English] [Tigoris]

[Bai Asuka] Hensachi ZERO kara no Seiteki Kyouiku

Ground Zero

Afterschool Kozukuri Study Group

Study Buddies [mom vs son vs sister]

Movie Study Club Episode 3

とろふわマシュまろ

[ECO] Under Ground

[Group NEKO (WOODY)] MAGIC GALS F (Various)

[Starmine18 (HANABi)] Boku to Onee-san no Kimochii Obenkyou | My And My Onee-san's Pleasurable Studies [English] {Doujins.com} [Digital]

Study abroad inLady Anna's mansion

[Shouji Ayumu] Ecchi no Obenkyou | Sexy Studies (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]

[Sasayama Ayako] steady study

(C97) [Shimofutaketa Zorome (Ahou Miya)] Theater Drama City (Deep Web Underground) [English] {Hennojin}

DEEP BLACK

[Alde Hyde] Dorei wo Choukyou shite Harem Tsukuru [Shosai de Koufun wo Shizumeru Dijii] - Training Slaves to Make a Harem [Daisy calms her excitement down in the study] [English]

[Groucho (Enkin)] Azuki Azusa no Hentai teki na Seikatsu. (Hentai Ouji to Warawanai Neko.) [Chinese] [白雪纷飞个人汉化]

[Kaitou Pink] Iiwake Study | Excuse Study [English] [Mikakunin]

Haha No Kawaki | 義母的性飢渴

(C79) [CRIMSON GROUND (Miyashiro Sousuke)] DEEP BLACK (Pokemon)

Bokutachi no Jiyuu Kenkyuu｜Our Independent Study

(C92) [A.S.G Group (Misonou)] Tou no Saijoukai de Hanayome o Machi Ukeru Uma wa Chotto Tegowai zo Kai (Dragon Quest V)

[CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS Plus + (THE IDOLM@STER CINDERELLA GIRLS) [English] [WWW] [Digital]

a bloom trampled on the ground 1

A Study on External Narcissism

[Sakurazawa Izumi] MELTY KISS

[Kaitou Pink] Iiwake Study

[Makio] Hot Ice (Comic lo 2014-03) [English] {5 a.m.}

[UNDERGROUND CAMPAIGN (Muma, Senga Migiri)] Maison Liberté | Midsummer Daydream [English] [Leon990 Scanlations] [Digital]

SStudy Ch.0-37

[Moo] Koharu-chan to "Obenkyou" Suru Mousou E | "Studying" with Koharu-chan (Blue Archive) [English] [DMC]

(C83) [99mg (Coconoe Ricoco)] study room [English] {Mysterymeat3}

[ffkan]Underground Battle 5

[Husky guy] SStudy Ch.75-77 (English)

Ane To Megane To Milk6 - Free From Study

Sakura-Chan's Free Study 2

[Yui Toshiki] ReYui Vol.3

[Napo] Let's Study! (COMIC ExE 16) [Chinese] [Digital]

(brilliant days) [nolla (Noni)] a bloom trampled on the ground 1 (Ensemble Stars!)

Zokubutsu.zip Chika | Underground

(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground

[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}

(C82) [A・S・G Group (Misonou)] Katai Onna Hpdo Moeagaru!! "Urokoteki naImide" (Dragon Quest Monsters)

(C71) [ARESTICA, D.N.A.Lab. (Ariko Youichi, Miyasu Risa)] Velvet Underground (Sumomomo Momomo)

(C92) [SilverRice (Sumeshi)] Kessen Yoru no Sei Senjou | The Deciding Match! An Explicit Nighttime Battleground (Granblue Fantasy) [English] [nekoumancer]

Nodokan

[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]

(C54) [Group 601 (Various)] Group 601 20 Shuunen Kinen Bon GROW UP [Incomplete]

[Hamusuta-nonikomi (Motsuaki)] Shuugaku Ryokou de YouCha to Onaji Group ni Nacchatta Mekakure InCha-chan

[SaHa] Fractal Underground - Warm Kotatsu (English)

[Nakamura Yukitoshi] Underground Athlete Maker (2D Comic Magazine Kikaikan Ningen Bokujou Vol. 2) [English] [Digital]

A Study on External Narcissim

Renai Katekyo + secret study

[Shimaji] Mushaburi Learning | Let's Study Penis (COMIC Shitsurakuten 2013-05) [English] [CGrascal]

[Ribonatsu] G (Tokyo Underground)

Yuube wa Otanoshimi deshita ne

(C86) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory 6 (Fate/stay night, Fate/Zero)

[Husky guy] SStudy Ch.0-32 (English) (YoManga) (Ongoing)

(C92) [CRIMSON GROUND (Miyashiro Sousuke)] Scathach Shishou to Celt Shiki Gachihamex! (Fate/Grand Order)

(ComiComi8) [GROUND-Zero (Inui)] Riro Seizen (Touhou Project)

(C55) [Group Hinoran (Wang-Pac)] Skirt Tekireiki | Skirtable age

[Shirataki Shun] Karaoke Box nite (Complete)

Chika Tougijou Sen - Underground Colosseum Sen

[Muchin] Sakura-chan no Jiyuu Kenkyuu 2 | Sakura-chan's Free Study 2 [English]

[Matsumoto Drill Kenkyuujo] manga study’s Fujiki-San (English)

The Sexy, Heart-Pounding Study -Mitsuki is a Kindergarten Teacher Ch.4

[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-5 [English] {Brolen}

[Jishin Kajyou (GROUND)] Naburare Vampire (Aikatsu!) [Digital]

ANTIMORAL

The girl who loves to study | Benkyo suki no onnanoko

Chika Tougijou Sen - Underground Colosseum Sen 5

Chika Seikou Tougi Club | Underground Sex Fight Club

Watashi ga Maketara Nandemo Iu Koto Kiite Ageru

[Hase Tsubura] Rankou Hisho - The Secretary Who Does Group Sex

(C84) [PNO Group (Hase Yuu)] Yarikomi Man● (Disgaea)

[Guchokuya] Guchokuya Dai 4 Gou

[Shiroiya (Shiroi Mochi)] 1/10 Scale Wonderground (Ookiku Furikabutte)