SEE ALSO: Seoul Philharmonic Orchestra reveals dramatic MV for Red Velvet's 'Psycho'

Joy's teasers follow the same 'Where's Waldo?' and 'I Spy' book concept, and going through Red Velvet's�website�puzzle reveals the photos below.�Red Velvet's 4th mini album 'Rookie' will include 6 tracks and is due out on February 1 KST.

Check out Joy's teasers below!