Ayane, a wife who believes in and supports her husband, who has incurred a large amount of debt after failing in stock and foreign currency transactions, without knowing anything about it. However, her husband, who is cornered by an unscrupulous collector, decides to use Ayane as collateral in a desperate bid. Ayane is brought in front of the men when her husband has a loan examination and is forcibly raped on the spot. Then, her virgin anus is forced open and she is trained. When a hard cock is screwed into her anus, Ayane awakens to the pleasure she experiences for the first time...