People who live a tranquil and meaningful life may be found in any regular community. But they are unaware that it is a sham calm. The untold story... The world has already been annihilated... A unknown extraterrestrial force from outer space has wiped off 99.9% of the human species. The enemy is known as "Dracters." Eventually, a massive hole in the ground was bored and terraformed into a suitable environment for the aliens to reside in. Humans have no option but to seek refuge in shelters in order to avoid their gaze. They are waiting for the day of resurrection, which they do not know when it will arrive... The residents of the Ixia shelter have had their memories of the day of disaster wiped, and they now enjoy a regular life.