Lee Jae-myung took aim at those in power who he said aided in undermining Korea’s democracy during the declaration of martial law last year, calling for them to be made to stand before a “clean court.

“We thought that this could be the best way to show a new side of Le Sserafim,” Kim Chae-won told reporters during a showcase held Friday at the Yes24 Live Hall in eastern Seoul, prior to the release ...