Donkatsu Jjang is a donkatsu shop in Seoul that sells takeout loin donkatsu and cheese donkatsu. The cheese donkatsu has a generous amount of cheese, and a loin chicken set is also available for takeout. Phone orders are ready in about 7 to 8 minutes when the shop is quiet and around 15 minutes when it is busy. Paying with Seoul Pay or cash comes with donkatsu sauce.