What's Mine is Yours 2 - Version 0.5 by VitalSigns Win/Mac

Three weeks after the What's Mine is Yours, a man and his cuckquean wife continue their (mis)adventures in sex with their students. Growing more comfortable in their roles, their sexual encounters become less awkward. But just as the main character was starting to get used to the status quo, several more girls decide they want to join in on the action. Then his wife makes an even crazier request: finding a "secret girlfriend?"​