Kaito Kozono, an infielder in his sixth year as a pro, worked tirelessly from the morning, aiming to become a steady regular. Kozono said, ''I'm feeling good this year, so strangely I'm not worried.I have to play regularly, and I'm in a position where I have to do that, so I want to prepare well for the season.'' The professional baseball camp in Hiroshima, held in Nichinan City, Miyazaki Prefecture, took place on the last day of the first season.