When her husband's parents passed away, Maki and her husband inherited the house as per their will, and they began living together with her brother-in-law. During their daily lives, her brother-in-law was touched by Maki's kindness, and he fell in love with her so much that he went out of control... Although he knew it was wrong, Maki's body, which had been frustrated by the lack of sex with her husband, instinctively felt what she wanted...