What country is "this country"? From the name I would assume perhaps Japan?
Most kimchi recipes call for a very small amount of sugar.
Sugar is added to savory recipes of many cuisines because, combined with salt, it enhances the savory flavor of the food.
Here's one kimchi recipe I have made before and like.
That recipe looks great. I am going to try it. I noticed your in MA. Where is there a Korean market?
There is a Korean market in Union Sq. in Somerville. I forget the name, though.
All the Super 88's carry Korean stuff.
there is a huge Korean superstore, Super H Mart, opening this fall in Burlington