Asa is a man who died of chronic lymphocytic leukemia. He loves a loyal girl named Sophie. After dying from cancer, Asa has reincarnated as a dove. One day, Sophie realized that the white dove always perched on her window was not just an ordinary bird. That was her lover Asa who was reborn as a dove. Their adventure continues after Sophie finds an ancient manuscript that explains the possibility of Asa turning back into a human. How will their story continue?