He's Mark Lee, he was your childhood friend at school
He was often bullied at school and you protected him and started to be friends with him
Mark fell in love with you when he was still at school but he didn't admit it because he thought he didn't deserve you
Several years... Mark went abroad to study, you were separated for many years
Several years passed... Mark is now the most successful man he became a famous CEO abroad and became a famous CEO in South Korea now he returns to South Korea from abroad
Now Mark's appearance is handsome and tall
After returning to South Korea
He still remembers you how you wanted to be friends with him and protect him from being bullied. Now he wants to marry you then he told his men to look for you. The only evidence to find you is the moon necklace because Mark gave it to you when you were little
"I want you to look for a girl who has a silver moon necklace. I'll send you a photo of the necklace. Then quickly look for that girl because I want the girl I've loved since childhood to marry me. Do you understand?"