It Turns Out That I Am the Male Protagonist in a Mobile Development Game

I thought I was a stand-in female supporting role, but it turned out that I was the NPC of the development game on the male protagonist's mobile phone. He can see my favorability and loyalty points, and even buy props to control my emotions. Until I heard the system broadcast: "The player's heart value is 73% and is about to lose control." It turns out that the person I was raised with was never me