Space Monster Emperor

Tides of corpses, beasts, and countless alien beasts devour insects, the red sun scorches the world with radiation, winter blizzards wither all things, space is shattered and interdimensional wormholes occur frequently, and countless horrific natural disasters wreak havoc. Two students who went home to buy groceries became experimental subjects of higher civilization and were transported to the end of the wasteland. Food is scarce here, resources are scarce, and mental pollution is serious. When greed and violence become the mainstream, how can they survive? Continuous genetic modification, constantly adapting to the world. Crystal core gland reconstruction surgery. Genetic gland modification surgery. Xenogeneic skin implant surgery. The body's organs are constantly being transformed, and immature students are transformed into terrifying humanoid weapons.