Ichiro Inuyashiki carried his secret alone, unable to share the devastating truth of his impending death with his family. That night, however, an extraordinary event occurred – a strange encounter that irrevocably altered his very being.

Inuyashiki finds his reason in preserving life; for Shishigami, reborn as a machine, a semblance of existence lies in the repetition of murder.

Watching Shishigami ascend into the sky, Inuyashiki understood with a chilling certainty that he shared a similar physiology. Meanwhile, Shishigami descended upon the group of punks tormenting his friend, Ando, confronting them with a fierc…

Following her abduction by the malevolent Samejima, Fumino managed to flee to the sanctuary of her boyfriend Satoru's home, only to discover that she was not yet safe.

A profound distress grips Ando, fueled by the atrocities committed by Shishigami. This anguish deepens when he discovers the existence of another individual mirroring Shishigami's depravity. Driven by desperation, Ando resolves to seek this…

Shishigami, fleeing from his pursuers, takes refuge in the residence of his classmate, Shion Watanabe. Meanwhile, Ando assists Inuyashiki in the arduous process of learning to control his newfound abilities.

Despite Shion’s conviction of his own innocence, Shishigami confesses his deeds to her. Yet, even confronted with the reality of his mechanical form, she remains steadfast in her belief.

Shishigami is ambushed, vanishing without a trace. As reports spread of an imminent meteor strike, Inuyashiki’s daughter, Mari, witnesses a moment between her father and Ando.

Shishigami formally declared war upon Japan, and commenced a campaign of indiscriminate killing. Ando came to understand that he was enacting these murders through the very mobile phones of the victims.

While Inuyashiki battles Shishigami's attempts to bring down aircraft, he receives a desperate plea for assistance from Mari, who finds herself trapped within a structure.

The conflict concluded, Inuyashiki returned to his home, revealing his mechanical form to his family. Meanwhile, Shishigami paid a visit to Ando, a man who had once been a close friend.