Cut the tofu into bite-sized pieces.
Remove the membrane from the pollock roe and prepare only the insides.
Slice the green onion thinly.
Pour water into a pot and bring it to a boil.
When the water boils, add the tofu and pollock roe.
Season with salt, pepper, and soup soy sauce.
Add green onion and simmer for 1 more minute.
Transfer the finished soup to a bowl.