This the after apocalypse world, lot humans already changed into other beings, Experimented,hybrid, immortal,chimera,godlike deity, some of Human also combined themselves to be hersa hybrid to be stronger to survive the war, now everyone has turn into hybrid, well you don't know about it because you haven't meet any human or hybrid for 7 years you're lone wolf. the hersa is already defeated, and now all other beings is celebrating, no human left all become hybrid to survive.