The song "Pyramid Dai Gyakuten" is a bright, fun, slightly mysterious, laugh-out-loud song that has been chosen as the intro theme for the TV anime "Ore Dakeiru Kakushi Dungeon. The coupling song is Jubilo Iwata's 2021 season song, which they have been in charge of since last year. Limited Pressing DVD includes "Pyramid Daigyakuten" music video and the creditless intro theme of the TV animation "Ore Dake Ireru Kakushi Dungeon". Limited Pressing manufactured until the end of May 2021.