Wash the cucumber and tofu thoroughly.
Slice the cucumber thinly.
Pat the tofu dry with a kitchen towel, then cut it into bite-sized pieces.
Sprinkle a little salt on the tofu and pan-fry until golden brown.
In a bowl, combine cucumber, grilled tofu, gochujang, vinegar, sugar, and sesame oil, and mix well.
Transfer to a plate and sprinkle with sesame seeds.