TWICE held the 'TWICE 4TH WORLD TOUR 'Ⅲ'' at KSPO DOME (Olympic Gymnastics Stadium) in Songpa-gu, Seoul, on December 25th and 26th, kicking off a splendid new world tour...

From the tour title to the setlist, this performance contains a lot of love for TWICE's ONCE (fandom name: ONCE). The tour title means, "'When ONCE and TWICE meet, it becomes love." The setlist was organized by the members with a special meaning of making a "Perfect Love (Ⅲ)" by combining "Ⅰ"- the love that ONCE gives to TWICE and "Ⅱ" 'The love that TWICE shows to ONCE.

The setlist is composed of KNOCK KNOCK, HEART SHAKER, WHAT IS LOVE?, DANCE THE NIGHT AWAY, FANCY, FEEL SPECIAL, MORE & MORE, I CAN'T STOP ME. The 10th mini album title song ALCOHOL-FREE, their first English single THE FEELS, and the 3rd regular album title song SCIENTIST are all included in the parade of masterpieces, making the audience energized. The group performed a total of 35 songs, including the B-side songs and encore songs that fans wanted to see, such as QUEEN, REAL YOU, and CACTUS, and entertained domestic and foreign fans.