3. 윤자/yoon-ja/: 자 is the commonplace letter used in Korean women’s name.
It sounds like old fashioned but friendly.
We call him 윤자 because of one of his personality.
He sometimes acts very alluringly and sweetly like woman.
So we call him 윤자.^^;
자 很常在韩国女性的名字里出现,虽然听起来有点老土/过时..但是很亲切
