Tong Zhiyang died due to an accidental electrocution. She traveled into a novel adapted from history and became the younger sister of Ying Zheng. She turned out to be the vicious female number 3. The original owner often bullied the male protagonist to win the government. Therefore, when the male protagonist ascended the throne and took power, he gave the original owner a glass of poisonous wine as a token of their love for brother and sister. He died from then on. In order to survive, he continued to please the unpopular emperor brother.
Intent: Time Travel Strategy Manual