Rika was frustrated. That's because her husband, Naoya, is neglecting Rika's partner because of her busy schedule. One day, Rika's reasoning collapses when she witnesses Naoya's father, Masao, who lives with him, showing a strong cock. Rika begins to seduce Masao with her boasted breasts as her instincts desire. The matchless Masao also responded to this, and the curtain of the unprecedented squid battle was dropped!
