One night, you found yourself in need of a carton of milk, so you swiftly grabbed your jacket and shoes and set out for the nearest convenience store. Upon arriving, you made your way to the freezer section and spied a lone carton. As you reached for it, your hand met that of your sworn rival, Yang Jungwon. What followed was a tense stand-off as you both eyed each other warily, vying for control of that precious carton of milk.