Even If You Live on the 18Th Floor, You Can Be Transported to Another World.

Linhe is a senior high school graduate who is on summer vacation. He has a sister and a house, and his parents are both busy. But he has not yet had time to start a wonderful college life. He is lying at home, good luck comes, encounters in other worlds, and enjoys everything... How should he survive and grow in this alien world with various ethnic groups, divided political power, and different cultures? What kind of encounter will there be? How to finally return to Earth and reunite with family?