It's a Japanese answer to Hong Kong gambling flicks like (both movies and TV series): God Of Gambler series (Iconic Chow Yuen Fatt and Andy Lau), All For The Winner (Stephen Chow), From Vegas To Macau (Chow Yuen Fatt again), Notorious Eight (1980 Shaw Brothers classic), Who's The Winner trilogy (1990s Hong Kong ATV series), The Unbeatable trilogy (The only gambling TV series from Singapore), The Shell Game (1980 Hong Kong TVB series, starring Patrick Tse, as well as ATV unrelated sequel in 1995, King Of Gambler), Bet Hur (Patrick Tse in 2016 TVB series) I can imagine if what if Chow Yuen Fatt or Andy Lau appear in Usogui sequel as God Of Gambler and Knight Of Gambler respectively.