[Machine Translation] Doors ~Track of Courage~", the 53rd single in the series, is the theme song for "Sakirai Sho's Saturday drama "Sakirai ni Umareta Boku" (Only Born First), starring Sho Sakurai. The song is a message song about the importance of living one's own life and not running away from the worries and conflicts one faces as one builds relationships and coexists with people one meets in various places and organizations, such as companies and schools. It is a medium ballad in Arashi's style, with a warm tone, but also has the strength to give listeners courage. The coupling song "NOW or NEVER" from GungHo's "Puzzle & Dragons" commercial is also included. It is a dance number with catchy choreography synchronized with a light and POP rhythm. The couplings "Perfect Night" and "BORDER" are also included. Original release date: November 8, 2017 ( 4580117626615 ) [Label] J Storm