Kana was busy but enjoying a fulfilling married life. Although she was living a happy life without any inconveniences, she started to feel uneasy about the clingy gaze of her neighbor, Sakamoto. A few days passed without incident and she had almost forgotten about her worries, when she bumped into Sakamoto at the entrance to her apartment building. While her husband was away, she discovered the immoral pleasures. Despite Kokoro's resistance, her body began to crave pleasure...