Despite being bullied by her stepbrothers, Airi is forcefully taken to a villa left behind by her father. Her days there gradually spiral into masochistic developments, as she becomes increasingly entangled in lewd situations. While the stepbrothers' intense domination shakes Airi emotionally, her body slowly succumbs to their influence as well. This work presents a provocative story where the stepbrothers' harsh control intertwines with Airi's vulnerability, driving the erotic scenarios deeper and deeper. Under the complete control of her stepbrothers, Airi is led further down an increasingly sexual path. The story raises questions about how she confronts her own feelings throughout this process, and what kind of ending awaits her as a result.