What is Y:SY's real name?
Y:SY 본명: 이서연
Y:SY's real name is Lee Seo-yeon.
Lee Seo-yeon (Korean: 이서연, born January 22, 2000), also known as Y:SY, is a South Korean singer.
Source: Wikipedia: Y:SY
Y:SY 본명: 이서연
Y:SY's real name is Lee Seo-yeon.
Lee Seo-yeon (Korean: 이서연, born January 22, 2000), also known as Y:SY, is a South Korean singer.
Source: Wikipedia: Y:SY