Shingeki no Orc
[Shimaji] Mushaburi Learning | Let's Study Penis (COMIC Shitsurakuten 2013-05) [English] [CGrascal]
Newaza de Ippon | Secret move gets a score on the ground
Scathach Shishou to Celt Shiki Gachihamex!
[PNO Group (Hase Yuu)] Motto Motto!! Illya Bun Hokan Keikaku! ~Natsu Nangoku Vacances Hen~ (Fate/stay night)
[Husky guy] SStudy Ch.0-27 (English) (YoManga) (Ongoing)
Sunao ja Nai Kanojo to no Sesshikata
[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [leoR8714個人漢化]
[Jingrock] Futari de Obenkyo | Studying Together (COMIC Megastore H 2007-07) [English]
(COMIC1☆11) [CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order) [Chinese] [CE家族社]
[Group NEKO (WOODY)] ORANGE CRUSH K-I-M-A-G-U-R-E Subcharacter EDITION (Kimagure Orange Road) [English] [sphynxtoronto] [Incomplete]
(C80) [PNO Group (Hase☆Yuu)] Boku wa Lotte-sama no Omocha desu ga, Nani ka? | So What If I'm Lotte's (Sex) Toy (Lotte no Omocha!) [English] [Tigoris]
Side Quest: FFVII comic
[Undergroundou] Himitsu no Mori e Youkoso - Welcome To The Secret Forest
(C88) [A.S.G Group (Misonou)] Monster to Orusuban Suru Seikatsu (Dragon Quest V)
Mazu no Hoshikuzu | 魔都的星尘 act.1-2
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass)
(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}
Let's Study!
(Undergroud Carnival) [Namaco's Tail (Mutenka)] KoiSato magic (Touhou Project)
[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]
Aisei Tenshi Love Mary Ch. 1-4
[Abura Katabura (Papipurin)] Midgar Underground Capter 1: Tifa Haidaku Nyuumetsu (Final Fantasy VII)
Imouto ga Kusai+
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds) [Chinese] [無邪気漢化組]
(C82) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS (THE iDOLM@STER CINDERELLA GIRLS) [English] [WWW]
Shingeki no Moromoro
(SC17) [Aniki Teikoku (Fey Tas)] RADIANT SILVIASAN (Rikujou Boueitai Mao-chan)
Ugoku! Chitai Collection! ~Futanari Shimakaze Aheochi Daikaizou Keikaku~
Mamono-sama no Shimobe
Torikae Appli
[Fractal Underground Studio] Pantsu Kuronikuru
(C81) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory (Carnival Phantasm)
Gyaruko Ah!! | Galko Ah!!
[A・I・U SHOW COMMUNICATION] LUCKY☆STUDY (Lucky Star)
The Sexy, Heart-Pounding Study ~My First Time was Onii-chan Ch. 1
[Byousatsu-Tanukidan (Saeki Tatsuya)] mao-bon (Rikujou Boueitai Mao-chan)
Sanranbasho wa Uchuu Pilot | Spawning Ground Space Pilots
(C77) [PNO Group (Hase☆Yuu)] Color☆Illustration (Various)
Takonyuu~ | Octopus Tits~
[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]
[Teri Terio] Tsuneaki-chan Benkyouchuu | Studying with Tsuneaki! (COMIC X-EROS #02) [English] [4dawgz + Maipantsu]
[CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS Plus + (THE IDOLM@STER CINDERELLA GIRLS) [English] [WWW] [Digital]
Saimin! Zenra Gakuen
[Gorgeous Takarada] Cannon Sensei Tobashisugi [English] [SaHa]
(C90) [Kikyakudou (Karateka Value)] The Sarasa of Ground Zero (Granblue Fantasy)
(C88) [Group Hinoran (Wang-Pac)] Kuroobi Princess Enchousen
(C69) [RED RIBBON REVENGER (Makoushi)] Valhalla ~ Dainishou~ Fuyu no Arashi (Spiral)
[Miyamoto Liz] Pure Majo Study XXX (COMIC Unreal 2016-04 Vol. 60) [English] {NecroManCr}
Sister's Study Interuption [English] [Rewrite] [EZ Rewriter]
Let's Study xxx Soushuuhen
Renai Katekyo + secret study
(C63) [Group 601 (Oki Yukao)] Duck's Egg (Princess Tutu)
Vtuber Sokuhame Kairaku Ochi Hon 2
(C86) [CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS SR (THE iDOLM@STER CINDERELLA GIRLS)
[Kitsune Tsuki] Chinpo Shaburi no Renai Kenkyuu | Dick-Sucking Love Study (Love Lab) [English] =YQII=
SStudy Ch.0-31
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [English] [0405]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Chinese] [沒有漢化] [Digital]
Katta Kigurumi Sono Yon
Imouto Sengen
[AliceSoft] [Full Color Seijin Han] DARCROWS Daiichimaku Complete Ban [Digital]
(COMITIA115) [Group Hinoran (Wang-Pac)] Koakuma no Scorebook
Shishunki no Obenkyou | Puberty Study Session Ch. 2
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
MOMO!第二話 GO WEST!の巻
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
Triad Primus wa Producer ni ○○○ Saretai!
SStudy Ch.75-77.5
Chuppon Onna no Vacuum Fella | 吸精淫亂女的吸引奉仕
Why should we study if we can ___ instead? [English] [Rewrite]
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
(C88) [Group Hinoran (Wang-Pac)] Kuroobi Princess Enchousen [Sample]
[Kiya Shii] Momoiro Study! [Digital]
Boshi Chika Resort | Mother and Son Underground Resort
Chika Tougijou Sen - Underground Colosseum Sen 3
Theater Drama City
Benkyou Shimasenka? | Should We Study? {YQII}
Underground Hotel
Albino Sakura-chan to Ama Ecchi
(C90) [PNO Group (Hase Yuu)] Illya to Nakadashi 2 (Fate/kaleid liner Prisma Illya)
(C88) [PNO Group (Hase Yuu)] Ilya Bunhokan Keikaku Bangaihen Ilya x3 (Fate/kaleid liner Prisma Illya) [Chinese] [脸肿汉化组]
Menhera Usagi to Pet no Alpaca o Mofumofu Shichau Hon
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
Futanari Sketch 4
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
[necoJET] Benkyou Shiyou! - Let's Study!
Yokkyuu Fuman no Hitozuma wa Onsen Ryokan de Hageshiku Modaeru 01-19
Seishun wa Kimi no Naka
[abgrund (Saikawa Yusa)] Summer Halation After Episode [English] [Digital]
Zecchou CONTRACT
The Sexy, Heart-Pounding Study -Mitsuki is a Kindergarten Teacher Ch.4
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu (PlayerUnknown's Battlegrounds) [Ongoing]
Himitsu no TS Chika Kenkyuujo | Secret TS Underground Lab
[ECO] Under Ground
COMIC Mugen Tensei 2020-12
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
D.L.Action 13
After School Studies
Yarikomi Man
とろふわマシュまろ
The Tale of a Cold, Helicopter Mother Who Agrees to Act as Her Son's Surrogate Woman to Help Him Focus on Studying!
Romance Study + Secret Study
[Inoue Yoshihisa] Ground Ero
[Edge Edge] SStudy Ch.0-24 (English) (YoManga) (Ongoing)
Underground arena no sen
[CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order) [Digital]
Sex Study
(COMIC1☆13) [Poire Mousse (Nashiki Noi)] Study Time (Toji no Miko) [English]
(C88) [A.S.G Group (Misonou)] Monster to Orusuban Suru Seikatsu (Dragon Quest V) [English] [biribiri]
(C73) [PNO Group (Hase Yuu)] Illya with SellaLeys-bun Hokan Keikaku!!! (Fate/kaleid liner Prisma Illya)
Ningen wa Oroka | Humans Are Foolish
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
(C69) [PNO Group (Hase Yuu)] Ikunon Manga 2 (ToHeart2)
sex igai ha jyoshisyain ni nani wo shitemo OK na kaisya ~zamensyasei de syusse dekicyau kanpani
Kono Watakushi ga Saimin ni Makeru Wake Arimasen wa!
[PNO Group (Hase Yuu)] Motto! Ilya Bunhokan Keikaku (Fate/stay night)
[Meganei] Shishunki no Obenkyou 4 | Puberty Study Session 4 (COMIC Shingeki 2019-12) [English] [Shippoyasha] [Digital]
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
1/10 Scale Wonderground
(C85) [PNO Group (Hase Yuu, Hikawa Yuuki, Yamamoto Ryuusuke)] Carni☆Phan tic factory 5 (Fate/zero) [English] {Tigoris Translates}
(C84) [Nuno no Ie (Moonlight)] Let's Study xxx 2 (Love Live!)
[Crazy Clover Club 07] Rikujyou Bouei Tai! Mao-chan - Riku-mao Complex
JK o Oshiete | Please tell me "JK" 1-3
Kuroki Mori no Majo no Tai
[PNO GROUP(Hase Yuu)] Bishoujo Sentai Petalicon gaiden ~otona no jijyo de huin sareta hanashi toka~
SStudy Ch.75-76
Tokoharu no Shoujo-tachi
[Group NEKO (WOODY)] MAGIC GALS Select Memory (Various)
Shishunki no obenkyou | Puberty Study Session
[TEX-MEX] Ground Zero (Street Fighter)
[CRIMSON GROUND (Miyashiro Sousuke)] Maeyo Kochou Yawahada wa Odori Kagaribi no Gotoku (Granblue Fantasy) [Digital]
YURI SONA -Ougon no Ya-
Lonely Playground 1-5
[Husky guy] SStudy Ch.0-25.1 (English) (YoManga) (Ongoing)
COMIC Kairakuten BEAST 2019-01 [Digital]
Fire Emblem CG Set
(C73) [Sadistic Mary (Hattori Mitsuka)] Study after school (Bleach)