It is the story of a girl named Au who was left in a coma for a long time as a result of an accident she had as a child.One day another child comes into the same room with him in a coma and can somehow communicate with Au this mysterious child knows how to get out of a coma, but it will be a diff...

Those who have been separated since birth... those who followed him... those who lost their parents... those who were cruel to their sick little sister... an Isekai story of Ren who continues to exist in the world, trying to survive. In this world, an unsuccessful heart, which has tried every way...