The ultimate greatest hits album featuring songs left behind by Kyu Sakamoto is now released. In addition to his classic signature songs, the album includes rare tracks such as "Nanika Ii Koto Arisona", released as a Hokkaido-exclusive single in 1976, and three previously unreleased songs - "Ofukuro", "Senobi", and "21 Seiki no Uta" - which were first included in the 1994 release "Sakamoto Kyu Memorial Box". Also featured are the latest tie-up song "Minna de Waraimasho", "Bucchigiri NO Monku" released in 1983 under the masked singer name XQS, and a humorous talk recording from a flexi disc. The liner notes are written by Toshiaki Sato.