[1][2] On August 11, 2020, it was announced that the single would be used as the opening theme song for the anime series Jujutsu Kaisen, which would begin airing from October.

He stated that he first produced a 90-second demo and then, at the request of the anime director, added a large chorus-like development to the chorus part to add a violent melody.

[5] The song is an upper tune characterized by a fast and heavy sound and dramatically developing melody.

[6] Some of the lyrics overlap the plot of Jujutsu Kaisen, with many phrases recalling the fate of the protagonist, Yuji Itadori, and foreshadowing future events.

"[10] When writing the opening for the second season of Jujutsu Kaisen, "Where Our Blue Is", the singer Tatsuya Kitani was influenced by "Kaikai Kitan".