After Dressing up as a Woman, She Overturned the Male Supporting Actor

Due to an accident, Fang Yang entered the ancient novel about immortality he wrote. He was also told by the system that he could save his life only by making the misogynistic male supporting brother happy. But the problem was that he had become a passerby character in the original work who didn't even deserve a name. At the critical moment of life and death, Fang Yang decided to decisively abandon his moral integrity, disguised himself as a weak little white-flowered junior sister, and started to deceive his senior brother with an innocent face that was harmless to humans and animals... Intention: treat with sincerity