FIL/ENG Novaclea died the day before her birthday and met a Grim Reaper. She wish to go back and fulfil her unfinished business in the world of the living. But the Old man who manages the House of Souls gave her a condition, "If the person who hurts you the most will apologize to you sincerely, you will live freely until the day of your death. However, if you don't succeed, the Death will find it's way to you and you will die earlier than your original life span." Will she succeed to find the person who needs to be forgiven?
3 parts