Monster Invasion

98 years after the apocalypse, a boy on the outer area of City 97 was having difficulty controlling his emotion.

He was like this since a moment ago. His eyes shows a deep impression where no one can infer what he was thinking.

A mix of sadness, anger, guilt and so on can be shown on his eyes. He was about to grap a knife when a sudden shaking occurs!

At the same time, a sudden announcement was heard althrought the City 97. This kind of announcement can only be heard during drills, big events, and Monster Invasion!

" A D grade monster invasion are expected to transpired within 5 minutes! Every citizen unable to fight must enter the bunker! I repeat! A D grade monster invasion are coming! "

Monster invasion happens when a large number of monster go out of their territory to attack a nearby city. This commonly happen once a month.

Monster invasion are labeled based on their numbers and also level of monsters, where F was labeled lowest and A being the highest.

A D grade monster invasion means a mid number of E-F grade monster being led by a D grade monster.

As the announcement rang throughout the city, citizens starts to panic and can be seen running. D grade invasion may seem average to a high level hunter, but for a C grade city like City 97, this kind of invasion was something to fear for.

Streets are now crowded with people as the bunker are located in the main hall of the city. City 97 are only given with one mid-size bunker which can accomodate a maximum of 50,000 people, whereas a C grade city like City 97 are estimated to contain hundred thousands of people.

Citizens are now racing towards the bunker since it cant accomodate them all, so only those who are able to reach the bunker first can be fit in. While those who do not, they are only left with their own houses or structures to hide at.

Amidst of this all, the boy in one of the apartment in City 97 are now laying on the floor with blood dripping from his feet. When the shaking occurs earlier, he accidentally injured himself with the knife he was about to grap.

Five minutes after the announcement, a booming sound can be heard from outside of the city. A mix of gunshots and screams from monster and humans can be heard.

After a while, a sudden ear piercing sound echoed althrought the city. As the citizen heard this sound, their face become so gloomy as horror can be seen from it.

This sound comes from the monster that is 5 meters tall, with its body coated with thick skin and silver in color, standing vertically like a human. It looks like a gorilla with only difference of having its body colored with silver-like metal.

This monster was the D grade monster that leads this invasion!