MTL - Golden Age Legitimate Fei - ~ 183. The horror of the first beauty

In a world where Magic reigned supreme, Ruling over the Mythic Elements were the Holy Magicians of the Sacred Elements.

A young prodigy, Gabriel was selected as the Holy Priest in the Church of the Magic of Light. He was the youngest mage to awaken the most coveted element of light; his future was supposed to be bright... But one day, he disappeared as if the darkness had swallowed him up.

As Gabriel walked on the thin line between life and death while fighting for his life, something came in his life... Something that was going to change his life and the world forever...

Step on this unforgettable journey of light and darkness that transcends boundaries of space and time like never before...

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

This is the story of how I became an outer god.

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy