How does the Imaizumin family end up with a harem of wild girls in this hentai anime?

In the realm of Japanese college life, the Imaizumin family is a peculiar one. The father, a university professor, and his son are both endowed with an irresistible charm that attracts a bevy of young women to their doorstep. The story unfolds as the father, a well-endowed stud, and his son, a young lad with an equally impressive package, find themselves surrounded by these eager vixens. The action takes place in their family home, where the girls are always eager to indulge in their carnal desires. The father, a man of refined taste, is particularly fond of petite, perky-breasted beauties, while the son prefers well-endowed, voluptuous vixens. As the story progresses, the number of girls increases, leading to an array of wild, uninhibited sexual encounters. From passionate threesomes to intense creampies, this hentai anime showcases the Imaizumin family's unique lifestyle, where pleasure knows no bounds.