Yuika Onosaka works hard as a beauty consultant at a salon and supports her husband as a devoted wife at home. The strain of her busy life gradually built up until, after meeting a man at drinks with coworkers, she got drunk and cheated for the first time. The affair gave her the sexual release she had been craving, and despite feeling guilty toward her husband, she could no longer suppress her desires. A hot-spring trip finally sets her libido free, revealing a bolder, hornier side than ever before.