I believe in this smile. Even if you have no soul. The year 2105 AD, Japan. Humanoid androids G.I.E. have become an integral part of human life. Yet people regard them solely as objects. However, Endo Arato, unlike his friends Kengo and Ryo who hate G.I.E., feels a deep sympathy toward the androids and does not consider them merely as things. One night, Arato witnesses a mysterious cherry blossom that destroys every G.I.E. and any other machine in its path. It is then that Arato unexpectedly meets a mysterious G.I.E. named Lacia...