Slice red onion into thin rings.

Soak the sliced red onion in water for 10-15 minutes to reduce its pungency.

Slice cucumbers into rings.

Cut the cucumber rings into half-moon shapes.

Chop Thai basil.

In a small bowl, whisk together rice vinegar, soy sauce, salt, pepper, and honey.

Gradually whisk in sesame oil until the dressing is emulsified.

In a large bowl, combine the sliced cucumbers, red onion, and chopped basil.

Pour the dressing over the salad and toss gently to combine.

Serve immediately and enjoy.