 When this album hit number one in the Oricon charts, it marked the eleventh time she had done so, matching the record held by Dreams Come True for the most number ones by female vocal groups.Founding member Izumi Sakai died on May 27, 2007 at the age of 40 in Keio University Hospital.She entered the hospital in June 2006 after discovering she had cervical cancer and had the tumor removed.