[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 5 [Chinese] [沒有漢化] [Digital]
After School Studies
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Chinese] [萌舞の裏組漢化] [Decensored]
Alpha ga Alpha o Daku Houhou | α与α做爱的方法 1-6 完结
Shiburin Kenkyuu suru | Studying Shiburin
[Underground Dou (Stranger)] Jigoku Ezu no Yoru 2
JK Mama no Shiken Taisaku | High School Mom's Study Plan
[Black Monkey] Study Together [Chinese][水之源汉化组]
Underground Garden
[Yamatogawa] Benkyou Shimasenka? | Should We Study? (COMIC KOH Vol. 7) [English] {YQII}
Shishunki no Obenkyou 5 | Puberty Study Session 5
(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}
Umi Yama Sora no Monogatari
The Tale of a Cold, Helicopter Mother Who Agrees to Act as Her Son's Surrogate Woman to Help Him Focus on Studying!
[Yue] Bust Size no Gyaku Saba Shinkoku ga Barete P-san ni Oshioki Sex o Kimerareru Nagachichi Chika Idol | A Determined, Saggy Breasted Underground Idol Gets Punished with Sex for Underreporting Her Bust Size by P-san [English] [korafu]
Sofia-san wa Kashikoi ♥
[Husky guy] SStudy Ch.75-76 (English) (Ongoing)
[Nekonomori Maririn] Shin Koneko no Gakushuu-chou Hoken Kango | New Kitten Studies [English] [SaHa]
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
Study abroad inLady Anna's mansion
(C86) [Gekidoku Shoujo (ke-ta)] Underground Blossom (Touhou Project)
The Sexy, Heart-Pounding Study ~My First Time was Onii-chan Ch. 1
Study Together
[Bai Asuka] Boku no Kaa-san wa Yuujin no Mesuinu Ch. 1-3 [English] [biribiri]
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
Underground
[U.M.E.Project (ukyo_rst)] ELF SLAVE CATALOG UNDERGROUND Vol.02 [Digital]
Humiliation underground
DWU Sennou Ryoujoku
Vtuber Sokuhame Kairaku Ochi Hon 2
[Straw] Yumi's Study Abroad (Week 24) [English] (On-going) [a2Translation]
Pedolia! underground
Onee-chan no Boots-shiki Benkyouhou | Onee-chan's Boot Style Study Session
[Seto Yuuki] Stretta Ch. 2 | I Can't Study (Side B) [English] [RyuuTama] [Decensored]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
SStudy Ch.0-25.1
Chika Idol stage01 JUN | Underground Idol stage01 JUN
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 4 [Digital]
Oshiete Study
A Study on External Narcissim
Ningen wa oroka
The Sexy, Heart-Pounding Study ~My First Love of an Onee-san is a Gravure Idol
SStudy Ch.0-46
[AliceComplex (Naganohara Nis)] Alice in Underground
]NUDEGIRL | 超裸女
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
(C67) [Maruarai (Arai Kazuki)] Benkyou no Jikan | Study Time (School Rumble) [English]
The Molester ♡ Study Guidance Essentials+Copulation Lesson with Middle Schoolers Compilation
Let's Study Together!
(C85) [Nuno no Ie (Moonlight)] Let's Study xxx 3 (Love Live!)
Watashi ga Maketara Nandemo Iu Koto Kiite Ageru
I want to be taught by my sister~my sister's study time
[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]
Mitsugase Chika Idol | A TRIBUTE FOR THE UNDERGROUND IDOL
Yumi's Study Abroad
[Rekulon (Ishi)] 甘い研究 ~A study in sweet~ (Sherlock Holmes)
[Miyamoto Liz] Pure Majyo Study-XXX (COMIC Unreal 2016-04 Vol. 60) [Chinese] [無邪気漢化組]
STUDY OF XXXXX
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
A Wildlife Study of Poni Canyon
[Shindou Hajime] Onee-chan no Boots-shiki Benkyouhou | Onee-chan's Boot Style Study Session (S Otome × M Danshi no Gyaku Zeme Ganbou) [English] [desudesu]
Inbou Kyousei Kairaku Esute Zenpen | Underground Forced Pleasure Salon Part 1
[Atte Nanakusa] Katekyou Break Time | Home Study Break Time (COMIC LO 2017-01) [English] [SaishoHikari] [Digital]
Futari no Nichiyoubi
[Marui Maru] Taigaiteki Jikoai e no Kousatsu | A Study on External Narcissism (MuchiMuchi ♥ Cream Pie) [English] [PSYN] [Digital]
[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]
A Study on External Narcissism
Saimin Gakusei Shidou ~Adachi Minami no Baai~ | Hypno Sexual Studies ~The Case of Adachi Minami~
Movie Study Club 7.5 (EXTRA CHAPTER!)
[Husky guy] SStudy Ch.0-31 (English) (YoManga) (Ongoing)
AssBoy Koukou Danshi 2 | Assboy Anal Studies 2
Shishunki no Obenkyou 2 | Puberty Study Session 2
ICE BOXXX 12 Teron's Study of Offspring Survival
(Underground Carnival) [Kougeki (Ootsuki Wataru)] Speechless (Touhou Project)
(C87) [Nuno no Ie (Moonlight)] Let's Study xxx 5 (Love Live!) [Chinese] [空気系☆漢化]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
Let's Study xxx 4
[Undergroundou] Himitsu no Mori e Youkoso - Welcome To The Secret Forest
Underground Six
Secret Study Session
Study With Cleavage
(Bokura no Love Live! 2) [Yumemiru Ichigo-chan (Gyoniku Sausage Funsai Gyokurocha)] NozoNicoshiki xxxx-Juku | NozoNico Style XXXX Study (Love Live!) [English] [/u/ scanlations]
[Senya Sabou (Alpha Alf Layla)] A Futanari Older Sister Turns An Underground Crossdresser Into A Perverted Masochist [English] [Mr_Person] [Digital]
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
Let's Study!
[Underground Campaign (Senga Migiri, jin)] Dokata Kuchiman Hole - Tobi Hen
Underground Hotel Vol. 1
[Nakamura Yukitoshi] Underground Athlete Maker (2D Comic Magazine Kikaikan Ningen Bokujou Vol. 2) [English] [Digital]
(C74) [Kansai Orange (Arai Kei)] Jiyuukenkyuu | Free Study (Yotsubato!)
Kazoku ni Kakurete Kossori Ecchi
Ingyoranji
(CR29) [Hisuitei (Izumi Tsubasu, Sakai Hamachi)] Pure Study (Air)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Digital]
土方口マンホール 鳶編
[Straw] Yumi's Study Abroad/由美的留学生活(汉化)(连载中)
[Ohigetan] Chikan Gakushuu Shidou Youryou + Chikan Gakushuu Shidou Youryou ~Kougakunen Muke Koubi Lesson Hen~ | The Molester ♡ Study Guidance Essentials+Copulation Lesson with Middle Schoolers Compilation [English] [Striborg]
Ashford Academy Underground
[Akiyama Kenta] Eh~Ken!! - Movie Study Club Ch.1-7.5 (Comic Aun 2013-2014) [English] [The Lusty Lady Project]
[Ukkaridou] Nanaka No Mahou de (Nanaka6/17)
Otokonoko ga Futanari JK DeliHeal o Yondara Byou de Mesu Ochi shichaimashita.
[Fractal Underground Studio] Pantsu Kuronikuru
Study Buddy Fuck [English] [Rewrite]
USHI to KOBUSHI | 소와 주먹
Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter
[Kitsune Tsuki] Chinpo Shaburi no Renai Kenkyuu | Dick-Sucking Love Study (Love Lab) [English] =YQII=
SStudy Ch.0-40
[Moo] Koharu-chan to "Obenkyou" Suru Mousou E | "Studying" with Koharu-chan (Blue Archive) [English] [DMC]
SStudy Ch.0-8
Zokubutsu.zip Chika | Underground
[Itaba Hiroshi] Tanima de Obenkyo | Study With Cleavage (Namaiki! 2016-03) [English] [Brolen]
SStudy Ch.0-41
SStudy Ch.0-42
[Edge Edge] SStudy Ch.0-25 (English) (YoManga) (Ongoing)
Muryoru Kangoku | The Swarm Approaches the Wicked Prison
(C69) [Okinawa Taieki Gunjinkai] Rynax_Underground (Kurau : Phantom Memory)
[Husky guy] SStudy Ch.75 (English) (Ongoing)
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [Chinese] [戀芙蘭催婚協會會長封獸鵺個人漢化]
[Undergroundou] Buta Moyashi