Within Blackpink, Jisoo Kim is known as the funny one. She's quick with a joke and loves a good prank, like the time she hid Lisa's cellphone in the fridge during their trainee days. But Jisoo also has an introverted side, and on this April afternoon, sitting in a conference room at the headquarters of YG Entertainment, Blackpink's label and management company, she's in a serious mood, pondering big questions while sipping an iced coffee, wearing a cap that says "As time goes by it will be better."