World's Seven Scientist Childrens in A.D 5020

Moonlight Frostbite Apocalypse, humans who exposed by the light of the moon will go extincted for 3, 000 years by it. Monsters called "Moon Demons" summoned by an inhabitant from the moon their claws can wound human's bodies to frostbite and their movement speed is very fast with this humanity nowhere to hide and run away from them even they stayed at home. ONLY DEATH AWAITS FOR THEM.

Now, last hope of the humanity, cryogenic experiment performed by the seven scientist and their children from different countries. They set their machines to wake them up to the future for 3, 000 years. Hold on, what the heck?! An inhabitant from the moon spying them. Will their experiment succeeding or Death awaits them?