Yuria, the wife of her husband's colleague was sick and had to take care of her children. Yuria, who has no children, is very confused, but enjoys a new life. Despite being a child, the brothers with strange sexual knowledge are aimed at the huge chest yuria and turn into a sow. The future of Yuria, who was obsessed with repeated sexual training every day and became a prisoner of Masegaki, awakened her female instincts?