Star Eater - Chapter 4 -

In a blackened world humanity remains oblivious to the existence of demonic monsters and supernatural beings working in the shadows.In all this, Valen’s childhood was stolen by the Shadow Stalker, a serial killer who taught him one lesson: that the world was divided into predators and prey.He strived to live a normal life, despite the fact that he was far from normal, but his plan backfired.Now, trapped in a nightmare gallery, Valen is the subject of a brutal ritual that awakens a primordial hunger within him.To survive, he must embrace the very monstrousness he’d spent a lifetime hiding.[This work contains very adult content, like, seriously; the MC's mother's a serial killer. There's no way not to write this dark. Please don't read this if you're sensitive. I'm responsible for what I write, not what you read.]

The protagonist, having degenerated into a “loser” after being unable to find employment, gets caught up in someone else’s attempt to commit suicide-by-train and ends up traveling to another world. The numerous cheat powers he demands from God are all granted to him. But contrary to expectations, these powers bring about disastrous consequences for the protagonist.

Having reincarnated into another world, the optimistic protagonist (Yuuri) starts his(her) heart-warming training days with his(her) teacher.

Maid, older sister, younger sister, and even mother, all of them.

2029 was supposed to be the year humanity moved forward.Instead, a failed military experiment tore open a gate to another dimension unleashing creatures that could shatter mountains with a single strike.From the wreckage, a new era began. Technology forged from energy crystals found beyond the gate and soldiers wielding beast infusions fuels humanity’s last defenses.Soldiers, mercenaries, and the desperate are sent to hunt the beasts... and one day, to face the terror that waits Beyond the Crimson Gate.But every step closer to the gate brings one truth into focus. What waits on the other side may not be killable.