Wife Misaki Akane shares a secret, forbidden relationship with her brother—one she could never confess to her husband. Once again, she calls him, trembling and aching with desire, but her brother only teases her further, savoring her desperation. Their illicit affair continues until one day, her brother's friends suddenly show up at her home, demanding her body in his place. Though Akane resists, the men leave—only to conspire with her brother and return later, closing in on her once more. Now, that moment is about to unfold.