Japanese Cucumber Salad

3 cucumbers sliced, peel if desired

1 onion chopped finely

1/2c rice vinegar

1/2c water

1t sugar

1t red pepper flakes

1/2t salt

Mix everything but the cucumbers together.  Once well-mixed, stir in cucumbers.  Place in refrigerator to chill.  Best if let to chill overnight, but an hour will work.  Once the cucumbers have been eaten, more can be added to the mix.