Mr.Children brings a single with six songs, including "himawari" (main theme for "I Want to Eat Your Pancreas" movie), "Isogashii Bokura," three live tracks from their 2017 tour, and a "Owarinaki Tabi" live version from "ONE OK ROCK 2017 "Ambitions" JAPAN TOUR." This edition includes a bonus DVD with documentary on the title song and a live version of "Kimi ga Ita Natsu" from the concert held on May 10th, 2017 at Nagoya Century Hall.