Time travel is only to make up for the mistakes of the previous life, time travel is only to conform to the development of history, it is the past life and the present, it is a joke of God, it is just a story.
The male protagonist is willing to protect him, but he is helpless in the end. The heroine is willing to sink, just to fall in love with her. The feathers of the tearful bird are evil or fate. The tears of guardianship are wishes or regrets. Tear Feather's arrow, Tear Feather's rebirth, destiny turning, waiting...