The manga's story centers on Sadai, a person who heads into the mountains with the intent of taking his own life, but instead encounters a mysterious gentle girl.

Yuji Sakai, a high school student, is told by strange girl that he died some time ago, and that he is a Torch, a temporary replacement for erased humans. Torches take on the forms of those erased persons, but after a period of time, they will vanish from