Royal Straight Flush is published by Gakken Comics and is one volume long. It is about a 16-year old named Flush who owns a giant resort hotel. Other than that, I don't have any information on it ^^;
Shinesman created by Tachibana Kaim and is (c) its respective owners.
These pages and its contents created and (c) 2001-2002 Ming-Ling.