By accident, Xu Ran opened the door to another world. During the day, she continued to eat and drink as usual, a little loser, but at night another one of her was awakened. Under the leadership of the little black cat "Qiqi", she continued to grow and encountered many adventures, but among them, she met Sun Yihong, a boy she met by accident. She accompanied her all the way, grew up, and gained a lot.