TWICE's Chaeyoung has revealed the making of her 'Yes, I am Chaeyoung.' photo book.

The behind-the-scenes video above features footage of Chaeyoung on the set of her photo book shoot as she takes on different concepts. 'Yes, I am Chaeyoung.' is the TWICE member's first ever photo book, and it's due to drop on February 20 KST.

Check out Chaeyoung's making-of above, and stay tuned for updates on TWICE.