Yuu, a demure and elegant married woman. After five years of marriage initiated by her husband's aggressive pursuit, she had finally begun to feel affection for him and found hope in their relationship. However, that hope is instantly shattered when she discovers her husband's infidelity, plunging her into fear and anxiety as her carefully built life starts to crumble. In this turmoil, she encounters the choice of appearing in adult videos. This path awakens desires and emotions she had long suppressed. Torn by guilt toward her husband, she becomes aware of new romantic possibilities, and on her first unfaithful trip, her overwhelming emotions can no longer be contained. The story reveals the complex, profound depths hidden beneath the pure and innocent exterior of a married woman.