Kenji and his wife Karen are living as newlyweds in a small apartment. Their father-in-law, Tooru, was worried about them and came to their new house with gifts. At first, it was to support a young couple... However, as Tooru sees the beautiful and busty Karen, his desire for her is aroused. Then, when he picks Karen up by car at her workplace, Tooru suddenly turns into a ``feeding wolf.'' He sucked on her overflowing breasts. After that, Tooru waits for Karen in her car every day when she returns home...