Minori Kawanami plays Reina, a wealthy heiress deeply committed to charitable causes and social welfare. One day, while in a pleasure district, she hears from a Black man about a series of incidents in which women are being sexually trained and trafficked overseas. Horrified by the atrocities, Reina donates a large sum to a crowdfunding campaign set up by the victims. But her act of kindness draws the attention of the very criminals behind the operation, who abduct her. Thus begins a tragic tale of fate, as Reina is drawn into the same nightmare endured by the victims she sought to help—kidnapped, confined, and subjected to brutal rape, humiliation, and sexual training. A dark story of desire, exploitation, and vengeance unfolds under the banner of Ryuu Baku (Dragon Bondage) from Attackers, in the series "Penetrated by Dark Desires..."