Brother and sister, who made mistakes in the past, now as adults, break the taboo again. The hedonistic and promiscuous sister and her submissive brother. When the brother visits his sister to consult about the financial troubles of the company inherited from his sister's late husband, he is coerced into sexual activity by his sister. The soft breathing and finger movements of his sister, heard beside him as he slept, evoke memories of that time. The days when he was sucked off repeatedly and continued to be ejaculated. Before he knew it, he was being sucked and swayed by his sister, and finally ejaculated.