本片根据人气小说APP连载的发行量超过23万部的同名小说改编,讲述因突发事故失去男友的女高中生不断穿越时空回到过去企图帮助男友的故事。。Would you fall in love with a person whose voice you haven't heard for months, whose face you haven't touched, you can't smell, you don't even have the chance to pass by the same street, you can't even be in the same photo, who is miles away from you, even by seas, islands and cities。