IU debuts new song ”Bye Summer”... ”World tour was a long summer”

Singer IU thrilled fans with "Lilac," which was not on the set list, and her new song "Bye Summer," which was released for the first time.
On the afternoon of the 22nd, the "2024 IU HEREH" concert was held at the Seoul World Cup Stadium.
The final performance of the "WORLD TOUR CONCERT ENCORE: THE WINNING" was held. On this day, IU added "Lilac" which was not on the set list.
IU sang "Lilac" with the audience in the background and said, "I think it went well." She also performed her new song "Bye" for the first time.
The response to "Summer" was also enthusiastic. IU sang while playing the electronic guitar herself. IU said about her new song,
"While on this tour, I feel like I've had the longest summer of my life. Most of the shows were in hot cities, so it was summer all the time."
He also said, "Actually, I hate summer, but this summer was really good. The temperature just dropped after yesterday's performance.
It felt like I was sending off the feelings of love I had after the long summer."