With how blatantly the Devils had invaded human territory, there was no way that humans were going to take it lightly. There was already rising tension between the devils and humans but with them killing off human geniuses, they set off the start of the war.
Security at the border between the human and demonic domains has already been strengthened.
Many media outlets covered the possibility of war, and many people were concerned, especially the elderly. Older people who experienced the war and knew its dread was worried about the difficult time that was going to start.
While many young people just felt that it was an opportunity for them to be heroes. War was a good opportunity for one to make their name known.
There was tension among humans, but one individual was concerned with entirely different things.