Kozue Tokita: an illicit affair with my stepson, training for a stepmother in her 50s

Kozue, my stepfather's mother-in-law from his second marriage. My stepfather holds my mother-in-law in his arms without knowing anything about her. But my mother-in-law and I have a secret. That is, Kozue is my favorite pet... Soon after I remarried, I had an affair with Kozue. From that moment on, she couldn't opposeme. If my stepfather found out about this relationship, my stepfamily would be destroyed. This stimulation brought new excitement to it...