[1] It was announced that the group would embark on a world tour beginning in South Korea in October 2024, with shows slated to be scheduled in other regions within 2025,[2] in response to the requests received from across the globe.

[15] Furthermore, the quartet actively crafted the concert's experience through their involvement in all of its aspects during its preparation, spanning from the setlist, stage design, choreography, and costumes, amidst others.

Their Seoul concerts was attended by numerous K-pop artists including NewJeans, Winner, G-Dragon, Daesung, Blackpink's Jennie, Aespa's Winter, BoyNextDoor, Kang Daniel, members of Stray Kids, iKon, and The Boyz, Jung Yong-hwa, and Shinee's Key; actors such as Ross Butler, Rowoon, Lee Joon, Lee Soo-hyuk, and Lomon; veteran singers such as Uhm Jung-hwa, and Yoon Do-hyun; and entertainers such as Noh Hong-chul and Jun Hyun-moo, among others.

[35] Hong Yoo writing for The Korea Herald wrote their choreography was vigorous and demanded much more energy than the routines of some of today's K-pop girl groups.

[37] Allan Policarpio writing for Philippine Daily Inquirer narrated them as a group who "never looks too calculated or preoccupied with what they have to do next", elaborating how their "instincts guide the way they work their numbers, and make sure to always leave room for spontaneous interactions with each other, or with the crowd".

[38] In Singapore, Ang Benson from The Straits Times remarked that although a decade has passed since 2NE1 last performed, "their infectious energy and their fans’ fiery passion have not abated".

[40] In the Philippines, former senator Francis Pangilinan called for political action and the introduction of a legislation to address ticket scalping in response to the Welcome Back Tour in Manila.

[41][42] In December 2024, the Anti-Ticket Scalping Act was filed in the Filipino senate, which aims to regulate the purchase of tickets to "protect consumers from exploitation and guarantee fair access to events".