Bound to a Mermaid

After a meteorite fell and the land sank beneath the waves, the ocean welcomed spring.

Mu Cheng had escaped the man-eating monsters on land, but she never imagined that the merfolk in the sea ate people too?

Oh, not that kind of eating? Huh? Wouldn't different species be incompatible?

Turns out the necklace can induce Earthlings to undergo a second differentiation into omegas, and even humans can become merfolk.

Oh! Wait, is that how this works?

Theme: Survive