The Master of Metaphysics, Blowing up the World of Humans and Ghosts

Female protagonist: Yu Xin (can be salty or sweet + doesn't play by common sense + is an abnormal human being + has revenge), as the illegitimate daughter of the Yu family in Kyoto. She lost her mother when she was young and was raised by her parents in the countryside. She was brought back to the Yu family when she was 18 years old, and was sent abroad by her father to study hard. Now she has returned from school. She heard that she discovered some strange things when she was 18 years old, so she sent her away immediately. Male protagonist: Feng Yi (innocent + sinister + protecting shortcomings + pretending to be pitiful) met the young Yu Xin in the countryside, and he will never forget it for the rest of his life, and he keeps looking for it. No one knew that Yu Xin met a master of metaphysics during those years in the countryside and acquired a lot of skills. She was originally dependent on her mother, but after her mother passed away, she was found by her father and sent to the countryside. However, this was her opportunity. When she was brought back to Kyoto at the age of 18, she was out of tune with the Yu family, so her doting grandfather decided to send her abroad for further study. When Feng Yi saw her for the first time, he felt friendly and familiar. It turned out that she was the one he had been looking for. After returning to China, she was targeted at the Yu family, and Yu Xin set up her own business. "What, a little girl like her is a master?" Mother Yu said in disbelief. A wealthy young master breaks into a haunted house and falls unconscious. Feng Yi asks Yu Xin to rescue him as a good friend. A netizen's best friend is missing: "Master, please help me find my best friend. She has been out of contact for a month." Well-known actor: "I want to marry my boyfriend, is the marriage reliable?" Everyone in the city is crying, there are no orders to take, so I beg someone to lose their job. Big bosses from wealthy families came to their homes one after another and invited the heroine to be their guest. Several young masters from wealthy families are constantly pursuing her. The eldest son Feng Yi has always believed in Yu Xin, and Fu Ziming also silently protects her.