Technology has long become an indispensable necessity for humanity. But are they always completely under the control of their master? Artificial intelligence is built into the protagonist's smartphone. Suddenly beginning to have an abnormal obsession with a guy. Every day, more and more enslaving him, becoming more impudent and almost not silent, slowly turning into a whole cybernetic monster. Jacksie could not have been called a pleasant gift before, but now she has completely lost her mind from the understanding that they can easily throw it away, leaving alone. Will the hero find a common language with his technique again?