Haneda was dissatisfied with her husband's behavior, initially worrying that work-related stress had made him more harsh in his tone. However, she realized his true nature was emerging—he used to be kind and gentlemanly, but now he spoke in commanding tones and acted arrogantly, making him increasingly unattractive. When she confided in her female friends, she learned they were all having affairs to relieve their stress. Inspired by their stories of infidelity, Haneda began craving an intense excitement she had never experienced before.