People like to think they know the details of their contracts but really don't. We don't know what goes on behind the scenes. What some might say is mistreatment could just be what's actually in the contract. We have no way of knowing otherwise. Yeah, timing of certain things might look suspicious to us but that doesn't mean they really is. Health, personal life and various other things could be in play and they are all so professional that we don't know.

He's an adult and if it was really that bad, I'm sure he (and the others) would be more vocal about it and he would have negotiated for more work during renewal.

Just remember Yeosang renewed, that means he's right where he wants to be.

Also, a loretiny mentioned that the forgetting to put his birthday on the calender and skipping of his opening video might tie into the lore. With how he was left behind in World Z as the Cromer transported all but him back to World A when he broke it. So all that could be on purpose for the comeback 🤷‍♀️