It was released on September 17, 2021, by SM Entertainment, distributed by Dreamus in South Korea and Virgin Music in United States.

[10][11] On August 22, SM Entertainment announced the album's release date as September 17 on the group's social media accounts.

[14] On September 24, 2021, NCT 127 broke their own sales record to become a double-million seller, with over 2.15 million copies of Sticker sold in just one week.

But by blending these unlikely sounds with rich, powerful harmonies and solid rap verses, NCT 127 strikes a sweet balance and delivers an album that is fiercely creative and incredibly self-possessed.

"[20] IZM's Jeong Da-yeol started that "as the taste was enhanced only with fragmentary techniques, it lost its original style.

As a result, like the album cover, all the members lost their color," regardless, he praised the usage of the "cultural technology" and how the producers were not hesitate to "take on challenges to lead trends".

[23][24] The repackage Favorite was ranked among the best K-pop albums of the year by Harper's Bazaar (7th)[25] and South China Morning Post (11th).