It Turns Out, They Are the Protagonists - Chapter 598: Fiancée’s Wrath

In the era of universal mechas, people can go to the endless abyss, collect materials, strengthen and forge their own mechas, and master the power of destroying the world.

Jiang Chen traveled through time and awakened his talent [Immortal Unarmed]. Once the mecha is broken, he can permanently absorb its power and receive multiple bonuses.

…

At the bottom of the abyss, when the Old Demon God finally broke the Titan mecha with great effort, a hand stretched out from the fragments and held down its head.

“Congratulations, you have unlocked my limiter.”

- Description from novelbuddy

The story starts on earth, after some unknown circumstances, the world was suddenly invaded by monsters from other worlds. Many died and even more turned into zombies, starting what many would call 'The apocalypse Era'.

Rin, a normal teenage boy who lost all of his family members was on the verge of falling into despair when a goddess appeared and sent him to another world that was very similar to a game Rin played before the apocalypse.

Her goal from this was simple, trample on all the protagonists and become the strongest creature in that world for a chance to get back what he thought he lost forever.

Accompanied by a cold beauty, both of them embark on a new journey to become stronger, get back to their world and fix everything.

Honjou Kaede was invited by her friend, Shiromine Risa to play a VRMMO.

Jin, a hardcore gamer who still lives with his mom at the age of 24. He could never hold down a steady job since graduating, his girlfriend since high school dumped him for his best friend and he's constantly getting beat up by a group of local gang members. His dad left him and his mom when he became rich from the lottery and got a new family, one free of debt and burdens as he called it. His mom works 3 jobs to keep everything from falling apart, except for herself slowly. One day on his way home with the very first and new fully immersive VRMMORPG called Realm of Myths and Legends or RML for short, he died from a hit and run car accident. RML was advertised as the worlds first fully immersive VRMMORPG, allowing for players with skill sets in the real world, like sword training, martial arts, archery or reaction time, to benefit in the game itself! Though Jin died and at that moment a soul from another world crossed over into his body and inherited his memories. The man known as Izroth once hailed as the greatest cultivator in the seven realms, soul reincarnates into the modern world year 20xx in the body of Jin.