In a world where humanoids coexist, Maki receives a cutting-edge model from a friend that can bond deeply with its owner by absorbing memories during its creation. However, this humanoid, Arata Mizumori, holds a unique secret: aside from his manufactured experiences, he also harbors the illegal imprint of someone named Amamiya Ren, who held great importance to Maki. As Maki grapples with distinguishing Arata from Ren, a flood of emotions is stirred by the familiar face, voice, and memories intertwined in Arata, testing the depths of their connection.