My Sister Helped Me Sign up for the Program, and Science Fiction Civilization Was Exposed

A "lucky viewer" won the prize. The program crew came to give gifts, but there was no one in the hall, except for a mysterious green cube suspended in the air. The next moment, green light shuttles! When everyone came to their senses, all their illnesses were cured in an instant! As the exploration continues... Everything in the house becomes more and more mysterious. A floating sweeping robot, an artificial intelligence desk lamp, and... The mysterious portal on the other side of the screen! Behind the portal, a monitor connected to the portal was recording a scene that shocked the entire Xia Kingdom! Another world? Ruins? Etc! What is that figure? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.