One fateful day, the Hazuki family tragedy unfolds as the sheltered daughter Karen becomes a victim of rape. Kind and compassionate by nature, a mysterious shadow lurks behind her. Her father occasionally wears an eerie smile, the eldest son is quiet and shy, the second son walks with difficulty and uses a wheelchair. And then there's that unsettling presence drawing near the family. Who exactly raped Karen? A story delving into the dark secrets of a family begins here.