Remain is the second extended play (EP) by South Korean boy group KNK.

On November 7, 2016, YNB Entertainment announced KNK's comeback by sharing the cover image of their second EP titled Remain through their official SNS channels.

A group and "White version" individual image teasers were unveiled on the next two days.

[1][2][3][4] On November 13, KNK released an album preview which gave sneak peeks of each song.

A new set of individual image teasers called "Black version" was released the next day.