In the year 1458 of the Lunar Calendar, the invasion of alien "celestial beings" unexpectedly promoted the explosion of science and technology. The Sun and Moon Dynasty entered a fantasy era where technology and metaphysics were intertwined, and earthlings and aliens coexisted.
Former Jinyi Guard Qianhu Lianyutang, after retiring, he hid in the city and opened an information shop called "Ask Xiaolian if you want to know anything" on Chaoyang Street...
(Happiness + Nonsense + Relaxation + Gintama-style spoof)