Scavenging in the Abyss, I Evolve Infinitely by Devouring

"Science fiction apocalypse, wasteland, group portrait, growing male protagonist, unhappy story, no female protagonist, slow pace" The thirtieth year of the new century. Abyssal creatures descend on Blue Star. The ancestors spent years sealing them at the mouth of the abyss Heterogeneous creatures are rampant outside the barrier, and the superiors in the safe zone are plotting against each other. The origin of the story originated from an ordinary scavenging mission in the Yellowstone Mountains. Little did they know that this mission completely changed a young man. ...