Case 1 and Case 2 are not working together. If I remove Case 2 from .htaccess file, case 1 will work. If I write case 2 before case 1, case 2 will not work, while case 1 will work.
Case 1:
RewriteRule /(.*)\.html storycategory.php?story=$1
Example:
http://localhost/romoko1/story/bedroom.html
Case 2:
RewriteRule /(.*)\.html tag.php?tag=$1
Example:
http://localhost/romoko1/tag/home-interior.html