Dragon Country's Physical Powerhouses

Aging and poor management led to an explosion at an old nuclear reactor in the Sakura Kingdom, but those in power covered it up.

To conceal the risks of radiation and viruses, they dumped treated "nuclear-contaminated water" into the sea.

Radiation carried unknown microorganisms, infecting the world's oceans before spreading into the air.

A virus outbreak followed. Ninety percent of those infected turned into mindless, bloodthirsty monsters.

Nine percent gained a slight boost, with stronger recovery and greater stamina.

One percent underwent reverse evolution, with their bodies strengthening themselves. The male lead belongs to this group.