A beautiful wife dyed in her father-in-law color

Marina, a wife, has been married to her husband, Sadao, for four years and now lives with her father-in-law, Atsuo. Marina, who looks bright, energetic and happy, has a secret. Since she was forcibly raped by her father-in-law, Atsuo, six months ago, their distorted physical relationship has continued ever since. My father-in-law's training for his beautiful wife begins after he sends his beloved husband off to work with a smile on his face. Contrary to her words, "Father-in-law, please forgive me," love juice is overflowing from Marina's private parts...