Abyss Reincarnation

In the year 2030 a man by the name Alexander is tasked with completing a mission. His target is someone from his past. Although he did compete the mission, he got fatily wounded on the mission. He didn't last long and unfortunately passed away. He closed his eyes for what he thought was his but fourchantle or unfortunately it wasn't his last. The next time he opened his eyes, he was in a completely different world. Woken and injured, he tried to make in this world.