K-pop superband BTS member Suga will debut his official solo album 'D-Day' on April 21 under a stage name for his previous individual projects, Agust D, his agency BigHit Music said Monday.

'D-Day' will mark the final installment of the 'Agust D' trilogy, which began with his mix tapes 'Agust D' and 'D-2', reports Yonhap.