Jerahun Dongmun is an omegi tteok shop inside Dongmun Market in Jeju. It offers pat omegi tteok, milk cream tteok, Udo peanut cream tteok, and mango omegi, and customers sample items in the store before choosing. The store is spacious and the exterior and interior are clean. The tteok is individually packaged and can be shipped by courier, so it is often chosen as a gift.