The story follows Yasaka Hibiki, who lives modestly with her husband Kazuki and their son Gou. Hibiki has a history of domestic violence from her father. Kazuki, the son of a congressman, and Hibiki, who had a troubled past, fell in love and aimed to build a future together. However, their lives took a turn when a former delinquent associate committed murder, leading to Kazuki's disownment by his father and a shift to a simple life.

Nine years later, a man named Sagara Ryuuji, who had taken the blame for the murder, returns, accusing Kazuki of being the real culprit and demanding a reward. Hibiki, unable to pay and fearing the consequences of revealing the truth, falls into a trap. She becomes the victim of manipulation and sexual exploitation by Ryuuji.