The versatile technician who is stable on the outside and the hapless assistant who is unable to complain
*
In 2200 AD, the earth's population surged
In order to obtain a larger living space, the alliance government decided to decompress the unknown space on the earth
So, a group of people appeared
Using blood and life to desperately expand the territory
Their name is Earth Decompression Team
Purpose: Strive for the future