The Prince's Killer Princess

She is the gold medal killer of the 21st century. She is the general manager of Tangtang Han Group. She is a young genius that everyone knows. In an inexplicable time-travel, she traveled to the body of a loser. She helped the loser get rid of his two older sisters and two younger sisters who usually bullied the loser. She helped the loser take revenge. Then she was favored by the prince and became the crown prince. After that, she killed the prince's two concubines and concubines again... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.