As we previously announced, starting from 30 March, 2012 at 11:00 JST Hatena Color Stars removed from entries can no longer be reused.
For more information about the reason for this change please see our previous announcements at the URLs below:
http://d.hatena.com/hatenahaiku/20120316/13318867
We look forward to your continued enjoyment of Hatena's online services.