[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=
Tsuma x Tsuma
[Undergroundou] Haru no Shura - Seifuku Shounen to Geshuku Daigakusei no Ikenai Kankei -
[Motsu Aki] Tanetsuke Colosseum! Episode 1 | Conception Colosseum! 1 [English] =LWB= [Digital]
(Daienkai! 7) [S+y (Yumiya)] Colosseum yori Ai o Komete (One Piece) [Chinese]
(SPARK8) [Radistar (157)] Triglav Underground Railway (Tales of Xillia)
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]
Albino Sakura-chan to Ama Ecchi
Sawari Tsukuse Manin Densha!
Underground Hotel Vol. 3
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [Digital]
[Red Ribbon Revenger] Valhalla ~Joshou~ (Tokyo Underground & Spiral)
Underground arena no sen
(Queen's Colosseum) [TETRODOTOXIN (Nise Kurosaki)] QBC (Queen's Blade)
(C78) [Crazy9 (Ichitaka)] Alice in Underground (Ookami-san to Shichinin no Nakama-tachi) [English] {doujin-moe.us}
[Crimson (Carmine)] Yoru no Senritsu (Tokyo Underground)
Underground Sex Fight Club