Fuka starts renovating the house in place of her husband, who travels a lot. When Koga, the banker she relies on for everything, explains the loan to her in detail, he forces himself on her. As much as she tries to erase the memory, her body, after experiencing the pleasure of another man's penis, is still hot and throbbing. Today, Fuka continues to wait for the doorbell to ring in anticipation of Koga's arrival...