The brother of her missing husband suddenly visited. The married woman Erina was afraid of her brother-in-law. However, her husband innocently rejoiced at the reunion with his brother. Then, an unpleasant event occurred... Her brother-in-law took advantage of her husband's absence and forced himself on Erina. Despite being tormented by guilt, Erina realized that she was beginning to be drawn to her brother-in-law's roughness.
