Sky Screen: Randomly Summon an Ancestor

[Sky Screen + Travel + Changing History] Lately, I've been hooked on sky-screen novels, and suddenly had an idea: what stories would unfold if historical figures appeared in the present day, a thousand years later? (P.S. The female lead stands on her own. Even though I carefully chose the tags, romance still got added. The author isn't a history major and found much of the information online, so the more scholarly details may not be very accurate. Please bear with me. Best read without overthinking.) Liu An'an, a university graduate of just one year, bonded with a visitor reception System. Her guests were ancestors from ancient times, and her very first visitor was none other than Chancellor Zhuge! Liu An'an didn't know that as soon as she began receiving visitors from the past, a giant screen would appear in the skies above every dynasty throughout history. The screen showed the scenes and conversations from her visits with her ancient guests. Later on, Liu An'an's visiting hours would increase as her power to transform the world grew. And her guests would no longer be limited to famous figures from history books. They would also include some of the wuxia characters beloved by people in the modern age...