IOI are spunky in more teaser images for debut mini album 'Chrysalis'!

IOI's official debut is only a week away!

The girls have dropped more teaser images of Chung Ah, So Hye, Na Young, Yun Jung, Yoo Jung, Mina, and Do Yeon! 

They sure do a flawless job pulling off that difficult, retro denim on denim look! IOI are set to debut with their 1st mini album 'Chrysalis' this coming May 4!