I'm dressed up as a fake young master, and the real young master is frantically begging me to s

(No male/female competition + no system + small ensemble cast + urban comedy, subversive and refreshing novel!) The rating just came out, it will rise!
A seemingly innocent but actually ruthless young master who is actually a CEO with a high IQ and a mature and steady demeanor, while also being a real young master who speaks fluent Northeastern Mandarin.
What interesting things will happen between the two of them?
What kind of sparks will these two brothers create with the lively and lovely heiress and the cold and domineering female CEO?
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Zhou Shi'an transmigrated into the body of the fake young master of the wealthy Zhou family.
Faced with the script about the real young master's imminent return, all he wanted was to take the money and run away.
But he encountered unconventional adoptive parents, and a seemingly handsome and well-behaved young master who appeared to have some serious illness.
Zhou Shijin: Bro, you're so handsome! Your looks are absolutely stunning, we hit it off immediately!
Zhou Shi'an: ...
Zhou Shijin: Bro, you're amazing! I'll follow you for life. From now on, you're my brother!
Zhou Shi'an: ...
Zhou Shijin: Bro, don't be shy with me. What's yours is yours, and what's mine is yours too. I'll give you all my allowance; spend it however you like...
Zhou Shi'an: Go play somewhere else, stop clinging to me!
Zhou Shijin: Okay, bro, let's get together!
The fake young master only wants to run away, while the real young master only wants to stick together?
Zhou Shi'an: This plot is not what I expected...