'Erika' will return to her hometown alone to her husband 'Naoto' who is the third son of the three brothers. That night, Erika tells Naoto's family, who kindly welcomed her, about her affair with Naoto at night. The brothers who knew that Erika was frustrated attacked Erika, and the father-in-law, who was worried that he could not succeed, tried to impregnate Erika with his own sperm.
