On July 24, 2017, the first video teaser was released featuring Cube Entertainment trainee and former Produce 101 Season 2 contestant, Yoo Seonho.

The clip shows Seonho in a bedroom searching and finding an old VHS tape labelled "1982.3.8" with "Where are You?"

The group is watched through a retro-style television set, the footage shown came from their album photo shoot.

[3] The EP was released on August 3, 2017, through several music portals, including MelOn in South Korea, and iTunes for the global market.

[9] The group held their first comeback stage on Mnet's M Countdown on August 3, 2017, performing the title track "Where are You?".

[11][12][13] From August 16 onward, CLC began performing the song "Summer Kiss" a week earlier than planned, thus shortening promotions for "Where Are You?"