I was messing around from behind... ~Big sex that fulfills the desire of a married woman to be raped~

Shingo was a younger brother who looks and is completely opposite to his calm husband, Shinpei. His work was unstable and he had no money, so he often came to borrow money from Shinpei. One day, Lily is forced to deliver money to Shingo's house in place of Shinpei, and is suddenly pushed down when he is taken to a dirty room. She is covered in a beautifully fitted Shingo, and Lily, unable to move, is raped from behind. However, Lily gets thrust into her from behind with a strong cock and feels pleasure that her husband has never experienced before...