Irene�is the next one up for Red Velvet's 'Rookie' comeback teaser images!

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

Irene'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.

Watch the MV teaser if you missed it, and check out Irene's teasers below!