Yulia, whose husband's colleague's wife fell ill and had to take care of their children. Yulia, who had no children, was confused but enjoyed a fresh life. - Even though she is a child, the brunt of her brother, who has unusually sexual knowledge, is directed at Yulia, who has huge breasts, and before she knows it, she is transformed into a sow semen tank. What is the fate of Yuria, who continues to be squid by repeated seeding training sex every day, and the female instinct wakes up and becomes captivated by Masegaki?