Cut the tofu and eggs into bite-sized pieces.
Boil the eggs in boiling water for 10 minutes until fully cooked.
Place the tofu on a paper towel to remove excess moisture.
Add soy sauce, water, low-sugar soy sauce, vinegar, chili peppers, and garlic to a pot and bring to a boil to make the seasoning sauce.
Let the sauce cool after boiling.
Neatly arrange the tofu, eggs, and chili peppers in a clean container.
Pour the cooled pickling sauce over the ingredients.
Refrigerate and marinate for at least 2 hours before eating.