She eventually left JYP Entertainment and joined The Black Label and made her solo debut with the digital single "Birthday" and B-side track "Outta My Head" in June 2019.

"[2] On October 1, 2021, the singer uploaded an image of a pile of albums, with title XOXO and her name printed on them, onto her Instagram post with the caption "Soon to be yours x̷o̷x̷o̷.

"[3] On October 14, The Black Label announced that Somi is scheduled to make a comeback with her first full-length album XOXO at the end of the month.

[4] In the following week Jeon revealed the release date and shared the tracklist of the album through her social media accounts.

[5] The album was released for digital download and streaming on October 29, alongside the music video for lead single "XOXO".