The story mainly tells about the life of a girl after traveling through time. She went to play with her friends and walked deep into the woods. She saw a temple there and went to have a look. She didn't expect to be transported to another world, a world that coexists with this era. In modern times, there is a brother who was raised by him and has only one relative. She met her brother on the first day she arrived in another world. With his help, she learned about that world and decided to fulfill her dream and travel around the world. She picked up an unconscious person on the way, and in order to repay her kindness, that person followed her all the way and protected her. When she walked to Hangzhou, she met a like-minded person and fell in love with each other. Then he disappeared for some reason and disappeared from this world. She looked for him everywhere they went, but she couldn't find him. She thought of her brother, who went back to ask for help. She also failed to find help from her brother. After being decadent for a while, she decided to continue her journey. She experienced a lot along the way, and she was always accompanied by the person who walked with her to repay her kindness. Only then did she realize that what she was looking forward to was not the one who disappeared, but the one who had been protecting her.