Nami missed her marriageable age while helping out at her father's small factory and became a woman in her late thirties. However, she accepted a confession from Gotoshima, a banker from one of their business partners, and got engaged. But on the night before their wedding, Nami was attacked by a worker and stabbed him, resulting in an imprisonment sentence for excessive self-defense. However, it was all Mashima's strategy. Mashima's target was the patent (patent) held by Nami's father and aimed to seize it. Sold into prison as a sex slave●, Nami endured countless humiliations and gradually became an emotionless, cold-hearted woman...
