The former Fin.K.L member explained, "I feel bad when I see junior idol groups.  The competition wasn't as fierce back in our day.  Since the internet and social media wasn't as developed back then, there was a lot more freedom.  Idols nowadays don't have a place to hide, people see every little thing that they do, and the competition is a lot fiercer. For example, when I go to the hair salon the idols' faces look very dark compared to their bright happy faces on broadcast, and they often appear down and lack energy... They also train for a very long time and get criticized and then they receive even more criticism after they debut so I feel bad for the idol groups."

SEE ALSO: How Girls' Generation's hit track "Genie" sounded before Jessica's ad lib part was removed

Lee Hyori also mentioned that one of her songs "Diamond" was dedicated to comfort women.  "I decided to write the lyrics after reading an article about one of the comfort women passing away...I wanted to reach out to those who were hurting and fought bravely until the end."

Meanwhile, Lee Hyori's 6th studio album 'BLACK' will be releasing next month.