[Bonus chapter] end of the world or what?

This thought came to their mind at once, as the two of them turned around and looked at each other. If they remained childless, then they would only have two options, either to step down as Yu Dong's official husbands or —— kill themselves. 

As soon as this thought came to their mind, their entire body shivered. They didn't want to die, they were so happy living their life with Yu Dong, seeing her joke around with them, teasing and flirting with them every now and then, this was a life they have never thought about living. After all, there was a time when they couldn't even think about having a full meal and dreamed of dying every day but now things were different, they were happy, contented and at ease with their current life, they wanted to grow old and live with Yu Dong for a long time.

But if——-