MTL - Technological Empire Starts From Shanzhai System - Chapter 7 operating system

Cha Myung-jun, a sergeant who neared the end of his military service, found himself confined in the Ministry of National Defense’s bas**ent for over three decades due to his newly awakened abilities, just before the outbreak of war. Spending thirty years as the world’s most formidable blacksmith, wielding nothing but hammers, he skillfully outwits the watchful eyes of the Ministry of Defense to serve the war effort and reset the course of time. Now given a second chance at life, can he lead a successful campaign to avert humanity’s downfall and secure its salvation?

Kamishiro Homura is a hero who once by himself exterminated the another world invader that destroyed the military all over the world. However his extreme strength made the influential people ostracized and exiled him from the society with false accusation of [Traitor] attached to him. A few years after that, for an unspecified reason Homura entered the magician academy and he looked after the girls that were ridiculed as the [burden platoon]…!? This is the raise of the curtain of a fantasy tale of the unrivaled and invincible young man where not a single ally or enemy can keep up with him, the young man who sooner or later will be extolled as the messiah by the whole human race!

Kyle woke up in a land of fantasy and magitech. The usual 'I died and woke up' bullshit, skip all that.

Except he used to be a crime lord, and society here is missing that extra kick.

He just became the newly-crowned movie emperor when he died a tragic (actually, very stupid) death. On his way to cross the NaiHe bridge, he managed to evade Meng Po and not drink her soup. Thus keeping the memories of the life that he just had.But he would never have imagined that he would be reincarnated hundreds of thousands of years later. In the Interstellar era! If it happened to other guys, they would definitely want to be a mecha warrior. Don't most men dream of that at least once in their life? But sadly, that's not for him.There's only one goal in his mind - to be the number one star in the Interstellar era.With the knowledge and skills he got from his past life, he would definitely achieve it.But who was this annoying person who kept on pestering him?A certain prince smiled in a scary and crazy way: Cook food for me or else die.= a few months later =A certain prince leaned over and moved his face closer: I don't need food, I could just eat you.A bad tempered yandere gong X a reincarnated movie emperor shou*NaiHe bridge - a bridge that souls crossed to enter reincarnation**Meng Po - the lady on the Naihe bridge who gives out soup that lets the souls forget their memories, thus entering the cycle of reincarnation in a clean slate.