"Playing with Fire" (Korean: 불장난; RR: Buljangnan) is a song recorded by South Korean girl group Blackpink. It was released on November 1, 2016, together with "Stay", as the group's second digital single album titled Square Two, through YG Entertainment. The song was written by Teddy and composed by him alongside R. Tee. "Playing with Fire" peaked at number three on the Gaon Digital Chart and topped the Billboard World Digital Song Sales chart, making Blackpink the K-pop female act with the most chart-toppers. It was the first song by a Korean girl group in history to enter the Canadian Hot 100.