key  and his mother  leaving  in a small house in daegu till his father died  due to a cancer so they have hard time  to find , money. Because  his  ,mom  working  really hard to   earn money  for their  needs.  So key didn't  wanted  to be a burden to  her with his school  fees  and all  so he search for  so many  scholarship s but he can found  any and the only one  available  is for girls so he can't do  any  thing  that is when they heard that there  house is