MTL - Accidentally born in the ’60s - Chapter 49

In the vast Marvel universe, where superpower was still slowly growing in its infancy, several peerless superheroes tried to find their path in The Marvel Universe. A young adult named Ron from modern Earth unwittingly stumbles into such a world and begins his journey with an unknown power. This is a magnificent yet unknown true marvel world! This is the story of a normal young adult and his adventures!

- Description from Novelupdates

Unrivaled Spear Knight.

The stereotype that knights must use swords is broken by the brightest star of a duke’s family. The hero that brought an end to the empire’s civil war. The name of that person is Joshua Sanders.

Despite his reputation of being called the empire’s unrivaled spear, he was bleeding dark red blood. Not just anyone but by the hand of his own emperor, Kaiser… “Kaiser! Don’t think it will end like this!!” Moments before death, incurred by magic circle, the spear that spent its years together with him, ‘Lugia’, started to emit an enormous amount of energy…

This familiar place, it can’t be… the stable that I used to live in when I was young?

My body became young?! Lugia, what the hell are you?

Joshua returned to his younger self. His ultimate revenge starts here!

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.