The Grand Secretary's Child-Raising Diary

(Ancient Chinese fantasy + Rebirth + High-ranking official raising a child + No female lead)
Lu Youning was known for her vengeful nature. Even though she was terminally ill and nearing death, she was determined to ruin her stepfather's company with her last breath. Looking at the venomous eyes of her father, Chen Shimei, and his illegitimate brother...
He thought he could finally die with a smile after getting his revenge, but when he opened his eyes, he found himself as a crying baby in swaddling clothes. Then, right in front of him, people were plotting to kill him so that his cheap father in this life could find another wife.