Singer IU revealed her new song as a surprise.

On the 27th, IU held a mini concert and talk show for the online came "I On."

IU said, "I'm mad at my agency right now. I'm going to be rebellious" and sang about 20 seconds of her new song.

According to IU, she was put under the situation of having to prepare the concert in the game by herself. She got the script late too, so she did not have enough time to prepare. To her agency, IU said, "I was shocked that time so I'm going to shock you too," revealing her new song.

But after singing her new song, she said "I think I sang too much. I think I'm going to get in trouble." About her new album, she said "We were planning to release in March, but it's been delayed because of the album in Japan that I'm preparing. I'm still recording and preparing."