Kenshi Yonezu brings a single including the main theme songs each for TV series "No Side Game" and animated film "Children of the Sea." Cover artwork is illustrated by Kenshi Yonezu as always. This edition comes with a bonus DVD featuring teaser for the concert "Sekitsui ga Opal ni Naru Koro" and a music video for "Umi no Yurei." Cardboar sleeve packaging.