The Only Boy in the Girls’ Shelter

Tectonic movement deep beneath the Pacific Ocean split open a massive fissure in the depths of the seabed.

The GT-C virus and terrifying ancient organisms that emerged rapidly infected and ravaged the ocean.

The moment the world's water supply was contaminated, a devastating blow struck the entire world.

99.99% of men around the world turned into monsters, while women over thirty began dying and mutating one after another. Fortunately, every woman under twenty survived.

And all those who survived gained strange, special abilities.