The EP marks a growth in music production and collaboration as they tap known hitmakers such as SM Entertainment songwriter Kenzie and producers LDN Noise.

We will announce the official schedule at a later date.”" On June 22, 2020, it was reported that Itzy is preparing for a comeback at the end of July.

The album zeroes in on the K-pop quintet's teenage years under the limelight while shouting out their loyal fans who've stood by them.

The EP also marks a growth in music production and collaboration as they tap known K-pop hitmakers such as SM Entertainment songwriter Kenzie and producers LDN Noise.

Heran Mamo of Billboard was positive in her review saying "Featuring six songs, Not Shy zeroes in on the K-pop quintet's teenage years under the limelight while shouting out their loyal fans who've stood by them.

She also appreciated their themes of independence and self-love have morphed into a coming-of-age glow-up, with the group tipping their toes into the waters of singing about love.

[6] IZM writer Seonhee Lim opined "that the song was heavily armed with sound that filled the gap, as if it contained the spirit of a young composer.

The saxophone's funky rhythm dominates the whole song, and the composition that changes sharply shifts the center of gravity, adding a three-dimensional effect to the music.

In addition, EDM sounds such as'Turn down for what' and'GDFR', which were popular in the early 2010s, passed by, bringing the point of getting tired more and more in the second half".

[7] Not Shy debuted at number one on the Gaon Weekly Album Chart with 206,280 album-equivalent units, marking their largest monthly sales and streaming figures.