Clean the hijiki seaweed thoroughly and blanch it in boiling water for 2-3 minutes.
Blanch the tofu briefly in boiling water, remove excess water, then mash it into bite-sized pieces.
Julienne the cucumber and carrot.
In a bowl, combine the blanched hijiki, tofu, vegetables, and seasonings (soy sauce, sesame oil, minced garlic, sesame seeds, etc.), and mix well.
Transfer to a plate and sprinkle with sesame seeds to finish.