Characters :Han Ji Min as Goo Young Hee / Goo NajudaA young and very talented japanese-korean architect that always act clumsily, always busying herself with studying and sketching since in middle school so her beauty covered by her messy look. But actually theres something she hides about her family and she has her own reason why she works in Korea, especially in Park Hotel Group. Park Yoo ChunThe second son of Park Hotel Groups president director, Park Kwang Leol. Selfish and obsessed to be an artist since he was child so hes really crazily in love with sketching. Fortunately he has an elder brother who will be the heir of his family since he has no interest in company. Kim Jae Joong as Park Jae JoongYoochuns elder brother who seems really different to him. As a heir of Park Hotel Group he formed as an expert businessman. He is Young Hees reason why she entered the company but hes actually in a relationship with her secretary who is also Yoochuns high school friend, Song Ji Hyo. Song Ji HyoJaejoongs secretary and also Yoochuns friends since they were in high school. Seems like theres something in Jihyo that leads Yoochun to his childhood.  At all shes a kind hearted moreover shes helping Jaejoong to remember about his missing childhood memories. Jeon Kwang Leol as Park Kwang LeolThe boys father. Behind his wise appearance he exactly is hiding something from his sons, one of them is the reason why he accepted Young Hee enters the company to designing a new building of Park Hotel Group. ForewordEntering the huge building a young girl with much sketch in her Jansport backpack with a simple cute smile in her face heading to the lift. There she accidentally meets a man who she knows very well. A man-she doesnt know why-always cheer her up everyday. They seem not knowing each other but Young Hee knows him very well, she once met him in her childhood. A meeting that makes little Young Hee made a plan that turns her life being just like now even her mother seemed like abandoned her since that day. Thinking about it Young Hees mind travels back to 1995. A year that changes everything in her life. and the story starts here...