Yongguk parents left him in the orphanage. Then he ran away and lived in streets to find his parents.He spent 8 years in streets. He thought his parents were going to get him but instead a girl came. The girl who changed his life. 

                                                           ...he loved her...

                                                                                    ...he cared about her...

                                                                                                                       ...he missed her...

                                                                                                                                                   ...he' protected her...