Sexy Zone brings the ninth single featuring the theme song for "FIVB World Cup Volleyball 2015." This edition includes a bonus DVD with making-of for the music video "Cha-Cha-Cha Champion," footage from photo shooting for cover artwork, and special movie (2). Comes with a 12-page photo booklet (2). Cover artwork (feat. Fuma Kikuchi) is randomly selected from three kinds.