On-site pair beauty salon NTR - A wife who has been climaxed by a lewd treatment, on the other side of a thin piece of cloth

One day, five years after I married my wife Kanna, I received a call from a number I didn't know. The caller was Oshima, a former boss who once competed for the position of the department head. They have started a new on-site service so they want me and others to experience it. Although there were some past fate, I was relieved by Oshima's cheerful voice and agreed. Then, on the day that I was supposed to be a pair of beauty salons, a partition was placed between me and my wife, and I was the only one handed me a blindfold and headphones because it would work. I never knew my wife would be cuckolded right in front of me...