The moon is hazy and the stars are lazy. In the middle of the early summer night, after a whole day of heat, the cool breeze is slightly drunk, and there is a hint of comfort everywhere... A bicycle moved weakly not far away. The young man riding a bicycle was named Li Yi. He was an ordinary programmer. It was really not easy to come to this small city alone to work hard. Today it was almost midnight when I was working overtime late. He was so hungry that he twitched. He was full of irritability, but there was a big contrast with this cool summer night.The salary of the genie forced Li Yi to rent a house in a remote community. The fifth floor is still acceptable for a building without an elevator. However, when Li Yi thought of dragging his weak body to climb to the fifth floor, he felt sad again. Fortunately, today is Friday and tomorrow weekend, so I can have a good rest. At this moment, Li Yi's home is not far away. If he stood in his living room and looked out the window, he could see himself on the street, Li Yi sighed and looked up at the window upstairs...