Clean the squid thoroughly and cut it into bite-sized pieces.
Thinly slice the radish and chop the green onions.
Heat perilla oil in a pot and stir-fry the squid.
When the squid starts to cook, add the radish and stir-fry together.
Pour in water and bring to a boil.
Season with soup soy sauce and salt.
Once the radish turns translucent, add the green onions and let it simmer.