[HG Chagawa] Chika Dorei No. 6 - Underground Slave No. 6 (ANGEL Club 2015-01) [English] [desudesu]
Jubaku no Seiyatsu - Khoz, The Spellbound Slave
[ffkan]Underground Battle 5
ELF SLAVE CATALOG UNDERGROUND Vol.02
[AliceComplex (Naganohara Nis)] Alice in Underground
[Nanase Makoto] Chika Ryuushutsu - Leaked to Underground
Nodokan
Snow Cave
Underground Hotel
リトルウィッチの恋
(C73) [Cave (Various)] Korekyou K Kikanain Desu Kedo (Touhou Project)
Zecchou CONTRACT
Sabbath wa Houkago, Chikashitsu de | The Sabbath happens after school, in the underground room
(C89) [Tonkotsu (Sekiri)] Aricon (Hyperdimension Neptunia)
[Ting Fong Jiu Si Yu (Nikaidou Keita)] Kyodai Majo Chuuihou (Little Witch Academia)
Little witch love
(C92) [DAICHIBOKUJOU (Makiba)] xxx (Little Witch Academia) [Chinese] [想日电酱汉化组]
[Cave Bear] Mia's Tool Ch.0-3 (English) (Ongoing)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [Digital]
(Underground Carnival) [Inyu-goya (Inyucchi)] Chitei no Yakata no Aigan Shoujo (Touhou Project)
[Bear's Cave (Tagame Gengoroh)] Jubaku no Seiyatsu Noroiteki Kuchi Kou Choukyou Roku - Khoz, The Spellbound Slave Magical Oral and Anal Training [English] [Digital]
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
(C71) [Kensoh Ogawa (Fukudahda)] Ashford Gakuen Underground (Code Geass) [Decensored]
[Magukappu (Magukappu)] DIACO (Little Witch Academia)
小魔女学院.预告
Rinjin no bitchi hitodzuma o tsugō yoku bu~tsuokasu!
[Undergroundou] Seiyoku Bakuhatsu Shounen Vol. 3 -Sex Sense-