Despite receiving a limited production amount, it became the band's first in over 20 years to top the Oricon Singles Chart.

[2] At co-producer Steve Lillywhite's suggestion, Sugizo added a counter-melody at the song's second chorus for Inoran to play.

[4][5] Luna Sea performed "The Beyond" at the December 18, 2020 opening ceremony of the Gundam Factory Yokohama, which was broadcast live on TV.

[7][8] The single was released on April 29, 2020, and sold exclusively at Tsutaya Records and the Universal Music Store.

[8] Its cover art features the Luna Sea Gundam drawn by Yoshikazu Yasuhiko, character designer of the franchise.