Reincarnated in doomsday

Chu ling yu is an genius with IQ 400 and wad male god of many women and men as he had an little secret. He was an reincarnated person with system... He didn't know that his sister know of apocalypse and got reborn... He didn't know that an man had waited for an life and was hunting him. CLY had been an genius at technology, science, virology, biology, ecology, gene research and etc.