20 years after her husband's death, a woman keeps more than just his memory alive. Needing help at home, she takes in a student, but soon detects a risk of losing her husban 　　20 years after her husband's death, a woman keeps more than just his memory alive. Needing help at home, she takes in a student, but soon detects a risk of losing her husband to the girl. Does the girl have even a ghost of a chance? 详情