Travel through time and become a tycoon in the entertainment industry

Dual male protagonists + time-travel system + the patriotic and powerful male partner Lin Chao has time-traveled from being in his forties to a handsome young man. It's just that this little fresh guy seems to be riddled with dirty information and still very confused. When Tian Mu started, Lin Chao sighed before he could do it, and then he was bound to a sign-in system. Sign-in system? Isn't that a lie-flat system? Lin Chao was about to look up to the sky and laugh when the system told him that he wanted to break into the entertainment industry. Lin Chao, who has been struggling all his life, is still afraid of breaking into the entertainment industry after having a system? Lin Chao, a singer, songwriter, screenwriter, director, and rich man, relied on the system and his experience in the previous life to get through it all, and even got involved with the officials, becoming a loser of Chinese culture...