Several years after the war, a soldier returns home to discover his wife's infidelity. Overcome with rage, he kills her lover with a short sword. This blade is cursed, driving the soldier to resolve to end his own life. Time passes, and the cursed sword changes hands until it reaches a man who dedicates his life to understanding people's hearts and giving them what they truly need. He passes the blade to two women. One is Urara, a high school girl abandoned by her family and school, who has lost all meaning in life. The other is Miyuri, a psychological counselor burdened by the trauma of an abortion, carrying deep emotional scars. Drawn to the blade's eerie beauty, both women are led toward a new chapter in their lives.