Relationships can be sweet, but they can be salty at other times. This is a notion worth thinking about on a hot summer night by the beach. Girl group cignature returns with its fifth EP, “Sweetie but Saltie,” which talks about the sweet lemonade of love against a salty and cool sea breeze. “We are back in the summer, just like last year,” said group member Semi, in a press showcase for “Sweetie but Saltie,” on Monday at the Shinhan Sol Pay Square in Mapo District, western Seoul, ahead of the EP's 6 p.m. release. The new EP — which is the girl group’s first
