Entertainment: My Son Became an Idol Since He Was the Richest Man

What is it like to travel through a parallel world and suddenly become an old man in his sixties? Fine! Old people can also be idols and have everything that little fresh meat has! Just because I have a little fanboy and biological son who is the richest man in the world! What? You said I have cancer and will not die soon? I have health potions given by the system that can cure all diseases! What? Are you saying that my old arms and legs can't move? I have the energy potion given by the system, and I am full of energy in minutes! You can even do that for one night... By the way, don't say bad things about me, be careful what I tell my son! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.