無限挑戰
In 2016, SechsKies finally reunited after their disbandment 16 years ago in a famous Korean variety TV show called "Infinite Challenge". They held a pop-up reunion concert on 14 April, the day before the anniversary of SechsKies' debut. After Infinite Challenge aired, Sechs Kies earned many more fans; their hit songs ranked high in music charts and “Couple” was seen in 11th place in Music Bank.