Falling in love with someone who doesn't love you, only to become another person's substitute.
Crossing space, coming to a strange but familiar world, but only living in place of another person.
A man's body and a woman's soul are destined to suffer physical and mental sorrow.
Living in despair, the only hope is to wait for the end of life to return to a world with traces of oneself and family.
Silently looking at everything around him with his eyes, he sank in unconsciously, and it was difficult to get out.
Whether to love or not seems to be just a sentence, but it is the most difficult decision in the world.