She's mean, cold, ignorant and the true meaning of heartless while he is the one who was tasked to break the ice in her heart and make her fall in love. He would do everything for her. Afterall, his happiness was only her and nothing more. Given a mission that will bring them to an extraordinary adventure of their lives and existence as the truth begins to unravel in front of their eyes. Will the angel succeed in his mission? Or will he fail? For a human to find true happiness is an angel's bliss. [ON GOING STORY]