ADN-786 Female Prisoner #407: Revenge Sworn in Prison - Ichika Hoshimiya

Sinopsis

Nami, who had missed her chance to marry while helping out at her father's small factory, was in her late twenties when she received a confession of love from Sejima, a bank employee at one of their business partners, and became engaged. However, the night before her wedding, Nami was attacked by a factory worker and stabbed him, resulting in her being sentenced to prison for excessive self-defense. ...But it was all part of Sejima's plan. Sejima's target was the patent held by Nami's father, and he wanted to steal it. She was sold into prison as a sex slave...