Ten Thousand Thousand Thousand Threads

In order to save the world at the end of the world, they sacrificed their little love, From then on, they all embarked on the road to find their lover. A person forgets himself on the way to find his lover, One forgets his lover on the way to find his lover. He said that his lover was a writer and she went to save the world. She said her lover was a doctor and would come to save her.