Rinse the cucumber thoroughly and slice it into pieces. Add the salt to the cucumber, stir gently to combine well. Chill in the refrigerator for 15 minutes

Combine the vinegar, sugar, chili powder, chili oil, and sesame oil together, stir to mix well. Make sure that the sugar is completely dissolved.

Drain the salt water from the cucumber. Add the dressing to the cucumber, toss well. Top with sesame seeds and serve immediately.