【With 2 Serial Codes】5,6 THE ALFEE "HEART OF RAINBOW" Release Commemoration Talk Event Movie Theater Screening Application Bonus [First Press Edition Inclusion Bonus 1] Photo Card (By Format, 4 Types Total) Product Introduction THE ALFEE's 51st Anniversary Debut Single is Here! ■This single, the first of 2025, marks the gorgeous culmination of their 50th anniversary and their step onto a new stage! A song of love and hope, delivered with THE ALFEE's signature three-part chorus and symphonic melodic rock— "HEART OF RAINBOW" is finally complete! ■Releases in 4 formats with different jackets & bonus tracks.