Features documentary on Mr.Children, including studio sessions, live performances from "Mr.Children Hall Tour 2016 Niji" and "Mr.Children Hall Tour 2017 Hikari no Atelier." Also includes a music video for "Hikari no Atelier (full-length ver.)." Comes with a live CD with 12 tracks carefully selected from the documentary. This documentary is directed by Tetsuo Inagaki (KITE).