The Long Road to Immortality

She thought she had transmigrated into a farming novel. Just as Xiao Yao settled into a routine of working from sunrise to sunset and happily tending her fields, she found a master on the mountain while gathering herbs. He claimed to come from the world of cultivation. What? She also has to help a useless prince ascend to the throne? Xiao Yao says she's an expert at palace intrigue. From then on, this office worker farms, heads to the city to scheme at court, then cultivates after the palace battles are over. What? The female supporting character has a System too?