Bitters is a speakeasy bar in Hapjeong near Hongdae Station that serves cocktails, whiskey, and wine. Each cocktail comes with an explanation of its flavor profile and story, and the bar also serves butter beer and a melon and ham plate. Behind the entrance, which opens by pressing on a bookshelf door, the lighting is dim and soft. The whiskey and cocktail selection is broad, and bartenders take recommendations from customers based on their preferences.