Chaotic Wonderland is the first Japanese-language extended play by South Korean boy band Tomorrow X Together.

[7][8] On September 6, 2021, Big Hit Music announced that the band would be releasing their first Japanese extended play on November 10, 2021.

[10] The artist was revealed five days later as Ikuta Lilas, also known as Ikura, the main vocalist for Japanese musical duo Yoasobi.

[12] In September, it was announced that Tomorrow X Together would appear in the December 2021 edition of Numéro Tokyo, slated for release on October 28.

[16] On November 3, 2021, following the TV-sized release for Spiral Labyrinth, "Ito" was pre-released as a digital single available on streaming platforms worldwide.