Tragedy is the 25th single released by Japanese boy band KAT-TUN.
Sports & News" and was also the image song for the NTV Professional Baseball Live Broadcast "Tsugi no Shunkan, Atsukunare".
B2-sized calendar-posters were included for each version for the single's early-bird pre-order bonus.
This makes the 25th single that KAT-TUN has released that reached the number one spot on its first week, placing them in second place after KinKi Kids who has a record of 35 consecutive no.1 singles.
[8][9] "Tragedy" has ranked at number 40 in the Oricon Annual Sales Ranking for 2016 for having sold over 144,954 copies[10] and has also received the Gold Certification from the Recording Industry Association of Japan.