Female underworld mercenary: I am arrogant

She, a mercenary in the 21st century who kills people with a smile, travels to an unknown future time and space. Because of her good character, she meets a cute and genius robot. Then everything is turned upside down! In the modern city, she cultivates her spirit, gambles on mines, refines spiritual tools, grows spiritual medicine, raises spiritual pets, kills gangsters in seconds, gets involved in military and political affairs, manufactures high-end weapons, builds her own power, and moves towards the peak of wealth step by step. She is dissatisfied and even expands to other planets. ...