Kpopblweeblife

Can someone please help me find this manhwa
? I read it like two months ago it’s abt two best friends but the top was taken in by the bottom’s family and his dad is never around. Fast forward something happens the father dies I think and everyone thinks the mc is dead but he’s actually not and he was actually training inside a cave he fell into and became rlly powerful and he ends up returning finding out his best friend the top has become a bad guy and he had to fight him now but they don’t actually “fight” later on they’re js putting up a show. This is all I can rmb I’m sorry but I don’t rmb the name I wanna re read it and I can’t find it anywhere

Okay so I was reading this manwha but I was not signed in on my account cus I was using my tab and not my phone and I was to lazy to sign in now I forgot the title and I've looked everywhere and I can't seem to find it. I read it like a month ago it has to do with a guy that's ion know I think he's rich. He has like split personalities and like the evil one's name started with a "R" I believe and like ion maybe his dad hired a bodyguard for him to make that evil guy come out in-order to get him to tell the secret and like the evil guy wanted the bodyguard and said smth about the good one and what he thinks about him? Ion know someone pls help me find this manhwa I can't remember the title