(COMIC1☆11) [CRIMSON GROUND (Miyashiro Sousuke)] Sunao ja Nai Kanojo to no Sesshikata (Fate/Grand Order)
Jörmungandr
Sense to Naisho no Obenkyou | A Secret Study with Sensei
Benkyou Yorimo Ecchi Shiyo | Forget Studying! Let's Fuck!
Torofuwa Mashumaro
Yuri to Issho ni Obenkyou. | Studying Together with Yuri.
(Puniket 22) [Nozarashi (Nozarasi Satoru)] Busujima Break (Highschool of the Dead) [Chinese] [不咕鸟汉化组]
(COMIC1☆5) [CRIMSON GROUND (Miyashiro Sousuke)] Schwarzer Rafale (Infinite Stratos)
Pleasure Ground
[Mikemono Yuu] Sokuhame! Onee-chans | Instant Sex! Onee-chans! (COMIC Koh Vol. 5) [English] [desudesu]
SStudy Ch.0-33
Saiin Sennou Salon ~Urenai Idol Group Saisei Keikaku~
HTSK7
Sanranbasho wa Uchuu Pilot | Spawning Ground Space Pilots
IDOL by Sindoll
The Sexy, Heart-Pounding Study ~My First Love of an Onee-san is a Gravure Idol
[blackmonkey] study together
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 3 [Chinese] [沒有漢化] [Digital]
(C63) [Junk Arts (Nukiyama Gaisei)] Teikyoudo Funsou to Sekai Shin Chitsujo - Low-Intensity Conflict and World New-Order (Ground Defense Force Mao-chan)
Elf Ryoujokuki
(C85) [CRIMSON GROUND (Miyashiro Sousuke)] CINDERELLA COOLS (THE iDOLM@STER) [English] [M@]
The Sarasa of Ground Zero
[Kiya Shii] Momoiro Study! [Digital]
[Undergroundou] Hadaka no Tsukiai -Hentai no Atsumaru Ecchi na Sentou-
(Reitaisai 8) [French letter (Fujisaki Hikari)] Pedolia! underground (Touhou Project) [English] [MrBubbles]
Chika Tougijou Sen - Underground Colosseum Sen 3
(YAOI)[BlackMonkey] Study Together ENG
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
[Undergroundou] Tonde Hi ni Iru Natsu no Fundoshi Shounen
[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]
(C62) [Anorak Post (Akiyoshi Yoshiaki)] Love Mao (Ground Defense Force Mao-chan)
[Group NEKO (WOODY)] MAGIC GALS F (Various)
[Red Ribbon Revenger (Makoushi)] Shiro (Star Ocean: Till the End of Time)
[Group NEKO (WOODY)] ORANGE CRUSH K-I-M-A-G-U-R-E Subcharacter EDITION (Kimagure Orange Road) [English] [sphynxtoronto] [Incomplete]
[CRIMSON GROUND (Miyashiro Sousuke)] KAEDESAN MAJI GODDESS Plus + (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
Selectors
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-3 [English] {Brolen}
[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=
(C99) [CRIMSON GROUND (Miyashiro Sousuke)] Kyuujitsu no Sugoshikata -Higuchi Madoka hen-(THE iDOLM@STER: Shiny Colors)
(C71) [PNO Group (Hase Yuu, Hikawa Yuuki)] TH2tic Factory -XRATED- 2 (ToHeart 2)
Viva La Kaitou Bitch - Konya, Kogane no Fist Vibe o Itadakimasu | Viva La Phantom Bitch
Benkyou no Ikinuki ni | Taking a Break from Studying
Himitsu Yuugi | 비밀유희
[Kaitou Pink] Iiwake Study | Excuse Study [English] [Mikakunin]
Let's Study xxx
(C62) [C's cheese (Hebimaki Qto)] Nibun no Ichi no Gimai (Tokyo Underground)
[Miura Takehiro] BUST UP SCHOOL -Yawaraka Kigougun- | -Soft Code Group- ch. 1-6 [English] {Brolen}
[C's cheese] ANAN Gango no Miko (Tokyo Underground)
Shishunki no Obenkyou 3 | Puberty Study Session 3
(C74) [Nekopunch Bashibashi (Mogudan, Nyangorou)] Under Ground [English] [SaHa]
[PNO Group (Hase Yuu)] Boku wa Lotte-sama no Omocha desu ga, Nani ka? | 我是露蒂殿下的性欲处理玩具吗 还是? (Lotte no Omocha!) [Chinese] [风油精汉化组] [Decensored] [Digital]
S to M to M to S
(COMIC1☆15) [CRIMSON GROUND (Miyashiro Sousuke)] Kuroki Mori no Majo no Tai