She met her guardian angel many years later, but he did not recognize her and changed his name. He became an international student who returned from the United States and treated her with indifference. Can the appearance of a Chinese-Japanese hybrid in her life make her heart warm again? The handsome guy in the bar, the brother brought by her uncle, the betrayal of her friends, coincidences again and again, loneliness again and again, who is her guardian angel...