Wash the kelp thoroughly and prepare it.
Finely chop onion, spicy green chili, and green onion.
Heat sesame oil in a pan and stir-fry the chopped ingredients.
Add soy sauce, sugar, and cooking wine, and bring to a quick boil.
Cut the prepared kelp into bite-sized pieces.
Mix the kelp with the prepared marinade.
Transfer to a plate and serve.