Story about SMRookies Koeun of SRG16 and Mark of NCT... ~~~~~~ There was an ordinary girl but not just a Girl for she was an ANGEL who came from 'Secret Heaven' to earth for she has to fulfill her last deed to become one of the great heiress of their Goddess. And him, the boy who always caught in trouble whenever he goes. because of that he was her first mission... Will our "Angel" complete her mission? Will the boy change his heart? Will one of those two succeed or their might be something waiting for them...?
8 parts