On October 10, SM Entertainment confirmed that Taemin would release his fourth EP later that month, bringing his two-year hiatus to an end.

Lead single "Guilty" describes a selfish love that hurts others, incorporating strings and "dynamic" synths.

[5] Guilty was announced on October 10, 2023, through the release of a teaser image showing a person's feet stood next to a white T-shirt strewn across the floor.

[2] On October 13, Taemin uploaded a "photo dump" to social media, depicting scenery such as deserts, swimming pools and streets.

[8] He released a variety of online promotional content, including mood clips, teaser images and trailers.