(Daienkai! 7) [S+y (Yumiya)] Colosseum yori Ai o Komete (One Piece) [Chinese]
Tanetsuki Colosseum! Episode1
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen [English] [Sexy Akiba Detectives] [Digital]
Chika Tougijou Sen - Underground Colosseum Sen 1
[TLG (bowalia)] Chika Tougijou Sen - Underground Colosseum Sen 2 [English] [8/u/ Scanlations] [Digital]