The Boy Who Called Me Dad Begged Me Not to Get Married.

System upgrade + multiple female protagonists + realism + fast pace "Dad, don't marry mom, or my brother will destroy the world!" Ye Wenbin doesn't have a girlfriend but he has a son first, so he begs himself not to get married to protect the world? Thought it was a prank until the deadly blue light struck. Behind this absurd farce, there seems to be a shocking secret concerning the survival of the world.