The wife of a former company president's secretary who remarried with a corporate executive. She worried about her son, who remained a shut-in even after becoming an adult, and took care of him kindly as his mother, despite being his stepmother. One day, when she entered her stepson's room to encourage him, she discovered her own panties that had gone missing from the laundry at some point. Seeing her flustered, apologetic son made the mother-in-law troubled. She gently forgave him, embracing him. However, she was pushed down by her excited son and about to be penetrated...!
