Just by Sweeping a Grave, He Turned into a Giant of Light

[Ultraman Showa style story, the characters are all original] From the 20th to the 21st century, the giant of light who came to the earth from the distant universe became the patron saint of the planet. With the joint efforts of the Earth Defense Force and the Giants of Light, the earth's native monsters disappeared, and none of the invasions from space succeeded. However, in 2023, the battle between the Giant of Light and the void electromagnetic monster Jakku evaporated across Asia, and finally ended in Jakku's victory. Jakku's rule caused cities to turn into deserts, and human technological civilization returned to before the electrical age. A hundred years later, the girl who accidentally comes into contact with the Giant of Light will leave a mark on the history of mankind!