In a 1st for KAT-TUN , Roar & an exclusive new song Flashback will be released digitally for sale/streaming on 10th March , on the same day when the single gets released
Flashback is not included in any of the multiple physical editions of Roar & it's produced specially for digital sale/streaming
https://natalie.mu/music/news/418215
https://twitter.com/KATTUN_0322/stat...06742586036229
https://twitter.com/KATTUN_0322/stat...06849133907970
https://www.j-storm.co.jp/kat-tun/discography/roar-2
Took them long enough for this to happen but better late than never