I Said Make My Abilities Average! - Chapter 403 - Human Dragon War 4

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.

An ordinary youth living in the year 2050 in the Western calendar accidentally came to a fantasy world created by the collision of magical elements and supernatural technology at the other end of the dimension…

- Description from novelbuddy

In her previous life, Fang Qing’s parents passed away one after another, and she herself died tragically in a dark mental hospital.

When he opened his eyes again, he accidentally returned to the time when he was seven years old.

This time Fang Qing was cautious and vowed to change the fate of himself and his family. She studied hard to get ahead, and by the way, she won over the handsome boy next to her who was always blushing.

- Description from novelbuddy

A decision can destroy the sun, moon and stars. A finger can kill the Heavenly Overlord. While chatting, the Heaven and ten worlds can be annihilated.