Rookie girl group S.I.S is going for an adorable, prep school look for their 2nd single album comeback!
S.I.S's 2nd single album 'Say Yes!' contains title track "Say Yes", "One-Sided Love", and "Pink Flower". The members look bright and lovely in front of a sunny window in their individual teaser images, which you can see below.
Stay tuned for S.I.S's full comeback on September 20!