The protagonist who transmigrated into an ancient BL political intrigue novel. He became a Ge'er (a gender that looks like men but is weaker and can give birth) with the same name as him. Originally a malicious side character in the book who was supposed to steal the family's money and run away on the day his husband (Qin Dalang) died, but Liu Guyu tries to change his fate. He shows modern medical knowledge, checking pulses and knowing first aid. He is cautious and aware of the dangerous antagonist Qin Rongshi.
