Ofc they are.
Last time twice had a full summer comeback. Queen of longevity dtna came in like a bulldozer like a tank like a soldier.
"The song(Dtna) debuted atop Gaon's Digital Chart and Billboard Korea's Kpop Hot 100. It also peaked at No. 2, 5 and 11 on Billboard charts' World Digital Song Sales, Billboard Japan Hot 100 and Oricon Digital Singles, respectively.
In 2019, "Dance the Night Away" surpassed 100 million streams in March and 2,500,000 downloads in September on Gaon Music Chart, earning group's very first Platinum certification's single both streaming and download from the Korea Music Content Association (KMCA) since certification were introduced in April 2018.