Hyorin and Yesung have been married as soon as Hyorin turned 18 and Yesung was 25. High school sweethearts Hyorin stays at home to look after their two year old twins Dongmi and Dong- won and their 8 months old baby girl Dong- ye. While Yesung teaches music in a primary school. Life for them has been tough since they had married young but to Hyorin nothing matters more her 4 precious darlings, not even death.