B'z brings the 52nd single. The title song "RED" is a song produced for a professional baseball player, Hiroki Kuroda. It is the first time that B'z makes a song for an athlete. Comes with a bonus DVD featuring live footage shot at "B'z LIVE - GYM 2015 -EPIC NIGHT -" held at Yokohama Arena and a music video for the title song newly made for this release.