This young man cares about his childhood friend [Ando](https://anilist.co/character/123580/Andou-Naoyuki) and his mother more than anyone, but is completely indifferent to anyone else. Just like [Inuyashiki](https://anilist.co/character/123583/Inuyashiki-Ichirou), Shishigami got a mechanical body after being involved in the same UFO accident, but unlike Inuyashiki, he uses his powers to commit crimes in order to feel alive.
~! In the end he self destructs himself to change the trajectory of the asteroid that was about to hit the earth and destroy it. !~