The much-anticipated debut of Circle of Joy is finally set for this Sunday at Hanshin Racecourse. Circle of Joy is the son of two-time G1 winner Constitution out of G1 winner Mirth. After the final workout on the 6th, JRA Jockey Yuichi Kitamura said "He is easy to control and very flexible." Trainer Manabu Ikezoe reflected "His movement was good and smooth. Kitamura also said he is all good to go. I am looking forward to his debut race."