2094 AD -- The era when magic was established as a real technology and the training of magicians became a national policy. Yuki Haru, a girl whose livelihood is assassination, is witnessed by a junior high school boy at the work site. Even though he tries to erase the boys' junior high school students in order to cut off his anxiety, even Yuki, who is a psychic person with physical boost, cannot compete at all. The boy's name is Tatsuya Shiba. If the other party is an ordinary boy, if the other party is not a magician, the other party is not Tatsuya Shiba. Non-standard boy and assassin girl. The encounter between the two changes their destiny into something more strange.