The Misaki couple, who lived next door... Every morning when they greeted each other, the beautiful married woman always greeted them with a carefree and charming smile. The middle-aged factory worker, single and working the night shift, often secretly stared at her with lewd glances. Most of his gaze was focused on the woman's unguarded, swaying, full buttocks. This alluring and sexy woman, with faint traces of her underwear showing, had a peach-shaped buttock... One day, the man saw her struggling to carry a heavy load alone, so he offered to help...