Da Tang Shuang Long Zhuan - Book 2 - Chapter 3 – Acting Without Thinking

"What you do in life, Echoes in Eternity."

The System, who goes by the code name, Thirteen, defied the System God in order to give his previous Hosts’ the chance to change their Fates.

Unfortunately, he was killed by his Father, the System God, and was sent to the world of Pangea to struggle like the Cannon Fodders that he fought so hard to protect.

Armed with his knowledge as a System, Thirteen vowed to change not only his Fate, but the Fate of others whose destinies were tied up with him.

In a world torn by power and corruption, a fallen System will bring out a symphony of change, or lead it to its destruction.

After 50 years of being in the position of Hwacheon Clan Leader, Kang-hyuk, widely renowned as 'The Dragon' retires.

A dangerous neon-lit city in a shattered post-war world.

The wilderness outside the city was wild and uncontrolled, the superhuman roamed beneath the cover of the night’s rain, xenomorphs prowled the streets.

Oligarchic company, extraordinary program, prosthetic limbs, spiritual network, street gangs.

Gu He only desire after transmigrating was to become a salted fish. But even if you wanted to, you couldn’t.

- Description from Novelupdates

Konominato Aoi, who had been learning Kendo at her family’s dojo since childhood, had a dream of becoming the best in Japan in Kendo, as her father wished. However, that dream didn’t come true. Disheartened by the failure of her student dreams, Aoi became a high school teacher with a new dream: to make her own students the best in Japan in Kendo.Facing numerous challenges and feeling pessimistic, Aoi lost consciousness on the spot and found herself transported to a different world. The one who helped the now-younger Aoi was Owen Millers, an elven mage. Out of curiosity, Owen decided to impart his magical knowledge and research results to Aoi. Inheriting Owen’s skills and knowledge, Aoi became a mage and, under Owen’s guidance, became a teacher at the world-renowned magical academy.However, the academy was filled with the entanglements of aristocratic society, discrimination based on magical power, and individuals exploiting noble students. Aoi found herself dealing with various situations as she navigated through these challenges. This is the story of Aoi Konominato, a female teacher later known as the strongest archmage and the witch of the academy.