Clean and prepare the squid, then cut into bite-sized pieces.
Prepare the radish by slicing it thinly, and cut the green onion diagonally.
Pour water into a pot and make a broth using kelp and anchovies.
Once the broth is ready, remove the kelp and anchovies.
Add the radish to the broth and bring to a boil.
When the radish is cooked, add the squid, minced garlic, and soy sauce for soup.
Once the squid is cooked, add the green onions and pepper, letting it simmer briefly.
Taste and adjust the seasoning with salt if needed.