Eight years into her marriage, Kaori finds herself facing a new crisis as a wife entering a period of stagnation. Once the sole female member of the Earth Defense Force, she battled evil organizations and protected peace. However, worn down by years of constant combat and danger, Kaori chose personal happiness and a quiet family life over her heroic duties. Yet, deep within her, the thrill and excitement of battle still lingered. While her husband Naoya's gentleness is comforting, it also begins to feel slightly burdensome. For Kaori, being in danger and fighting evil once brought her exhilaration and pleasure. Exploiting this emotional void, Mrs. Doria, a high-ranking female officer from the secret society Akku whom Kaori once defeated, launches a revenge plot. Her scheme aims to awaken Kaori's hidden desires and turn her into a submissive sexual servant. Can Kaori reclaim her former identity as a heroine? Can she preserve the peace of her household?