Life Simulation, but Why a Simulation Heroine?

[Simulator + role-playing + transformation (marriage change) + 1v1 pure love + spiritual energy recovery + urban superpowers] The spiritual energy revived, Bai Cheng awakened SSS-level abilities, and the event simulator system. Just like the normal system in novels, he can gain the power to become the protagonist in the simulation through simulation. Well, Goldfinger, this seems to be no problem. But... Why didn't anyone tell him that her system simulated the heroine in the incident? The second-level magical girl, the lively little junior sister of the Taoist sect, the yandere vampire who is being hunted... What the hell are these? The girl with white hair and blue eyes lay on the bed and looked at the panel with a face of shame and anger: I don't want to be turned into a girl by the system! As the simulation progressed, Bai Cheng also discovered something was wrong. Wait, how come there is a close male beside the heroine in so many simulations? Wait, why do these men all look the same? Wait, isn't this what my good brother looks like? Looking at the affectionate brother approaching, Bai Cheng's face was full of resistance. What does it mean that I am a reincarnation person, and the heroine in the simulation is my previous life? What do you mean by saying that you are an immortal person, and you have been traveling around the world for thousands of years just to find my reincarnation and love each other for a lifetime? Don't come over here! ! ! … Many years later, Bai Cheng, who had become a god, lay in the arms of his good brother and kissed him gently on the face, "This way, death can't separate us, my dear." "So?" "So, I love you."