Chosal first mi-yeok collected directly from Wando in the Southern Coast of Korea, the 3rd world-best coast optimal for aquaculture industry. As the first-harvested sea mustard uses only the original seaweeds produced between the first high tide and early February in the harvest season from January to April, it is soft and has excellent taste and texture. We produce only quality products by washing, drying and hygienic packing of sea mustard collected from uncontaminated sea area of Wando. The first harvested sea mustard which is collected from the first collecting season during which the texture of the food is best and soft in uncontaminated areas of the sea around Wando island where plenty of mud flats which are good for sea purification and marine afforestation exist.