What's Mine Is Yours: Season 3

Having finally gotten through the year and after the students have graduated he spends time with his wife thinking she has been cucked enough and finally wants her husband all to herself. However, the day before class she drops a bomb, she refuses to have sex with him until he assembles another harem. Now, with Molly no longer "helping," it will be up to the MC to figure out a way to cuck his wife.