I Thought His Length Was My Husband's! - MFM Threesome Anal Sex Erotica

I treat my husband to a full-body massage, but the table the masseuse brings isn't exactly regulation.

I drop in and visit him after his session and notice that he's hanging out of the hole beneath.  I decide to spoil him with my mouth, but when the door opens and my husband enters I realize the guy on the table is his best friend!