Ryo has been married for five years to Tetsugaku, who works in sales at the same company, and they had been living modest but happy days. Then one day, while Tetsugaku was away for work, his boss Saji visited and informed her that "Tetsugaku made a mistake at work that caused significant damage to the company." Saji then proposed a slave contract to the bewildered Ryo. Willing to do anything for her husband, Ryo offered her body, but the anal sexual development that began that day brought her pleasure and shame she had never experienced before... Gradually, her reason was eroded, and Ryo repeatedly reached climax while spreading her asshole wide...
