23. Girl’s Day’s Sojin revealed her deep inner thoughts in the show "Princess Project – Revival of the Royal Family," w Sojin revealed her deep thoughts and drew viewers’ attention.

In the show, the Ah-Na-So team members, IU, Narsha from Brown Eyed Girls and Sojin from Girl’s Day, were asked to answer these three questions; ‘the highest hill,’ ‘the deepest thing,’ and ‘favorite flower,’

For those questions, Sojin answered, saying that parents are the highest hill, saying “Their wisdom and love is the highest hill that one is unable to get over.”

As to answer the question ‘the deepest thing,’ she explained, “I think it’s a scar. Once a scar is made, it really cannot be healed, so you should be careful not to hurt anyone.” Finally, she answered ‘small-flowered chrysanthemum’ for the question ‘favorite flower,’ revealing her deep inner thought, “It’s small and the most common flower you can see in Autumn, but it’s the most remembered flower when Autumn comes.