They had not looked intently at me like they did yesterday. Sure they showed their usual affection and attention towards me in the day but not the unu...sual way. They seemed not to ask for feeding the whole day. I felt glad about it that they were normal. Soon it was time to sleep in the night after dinner.I went to my bedroom and changed into a nightgown with tiny straps over my shoulders. The nightgown covered me up to my thighs. I thought it was comfortable to sleep in. I thought I could wear. However, now the game had almost come to its natural conclusion and my wife was keen to get on with the evening, she went to Mike and began massaging his neck and shoulders before slipping his shirt off. Mike got the rest of his kit off and I followed suit. Moments later, Mike and I were naked and sporting two huge erections. He told my wife to get on her hands and knees whilst he kneeled in front of her and said she should suck him off. I put my cock into her mouth and she lapped and sucked at. My eyes popped open as big as saucers. My heart leapt into my throat and raced from the shock. Instinctively, I clasped my hands around my breasts in a futile attempt to cover my nakedness, but my pussy remained exposed. I got my surprise allright.The locksmith’s eyes roamed my body, paying particular attention to my nipples and neatly trimmed pubic hair, before I jumped back into the dining room adjacent to the foyer and peeked around the corner to engage him in conversation.I had forgotten. "Alice is a double major, has applied to be my research assistant and interns for an artist featured at the modern arts museum on the side. She politely asked me if she could have you for a more engaging and experimental private session, for a project to do with her internship and her thesis." She glanced over her shoulder at me. "I told her you probably wouldn't mind. You will be paid extra, of course, because of the unusual hour and the spontaneity of it all." It's not, uh… I mean, thank.