I Became a Demon After Being Taken over by an Old Monster

From the moment Yuchun was brought into Yufu, she had not been treated well by anyone. But she didn't expect that when she met her family, her whole family would be wiped out. After being pushed into the painting by her aunt, she gritted her teeth and escaped. Suddenly in distress, Yuchun was so hungry that his eyes glowed green, and everyone he saw wanted to take a bite. I had no choice but to climb over the high wall and compete with the pigs for food every night when it was dark and windy. Late at night, she was sitting in front of an ancient painting, devouring the pig food she had snatched, when a cold knife suddenly touched her neck, and she raised her head in shock. This person is absolutely gorgeous, and she doesn't act like a cold beauty. With a smile on his face, he pressed the knife deeper into her neck: "Xiao Yuchun? Is it quite hidden?" Yuchun was stunned: What are you doing? ! There are enemies in front of you, looking at you with eager eyes, and monsters behind you who are smiling. From then on, she did whatever others didn't do, and she took over whatever others did. As long as she can take the ancient painting old monster as her younger brother, ride her horse and back for her, rub her shoulders and back, she will accept it. In the past, Hua Yingxie, the number one assassin in Yingchun Tower, killed many people with extremely cruel methods, which was once criticized by thousands of people. He smiled casually, put on his night clothes, and continued to be his night walker. Demons were rampant, and the world was in danger. He took off his night clothes, held a paintbrush in his hand, and a long scroll appeared on the paper. The painting was about to end, and he sacrificed his body in exchange for eternal peace in the world. After a hundred years of rebirth, even though he controls the rise and fall of the court, the demonic spirit still lives on. If he is reincarnated as a demon, what will happen to the demon spirit? He also kills gods when he encounters them, and kills Buddhas when he encounters them. The vicious, arrogant and beautiful female protagonist* The mean-mouthed, yandere and stunning male protagonist Intention: Self-respect, self-love, self-improvement and self-reliance.