On a weekend holiday, Shin taro, a company employee working in Tokyo, finally managed to take a proper break and decided to visit his wife's hometown with her. Arriving at her family home in a mid-sized city undergoing urban development, he was warmly welcomed by his mother-in-law. Her gentle smile instantly comforted him, soothing his heart. As he noticed the voluptuous curves of his stepmother's mature figure, Shin taro found himself breathless, completely captivated by her beauty.