One Word Changed, Characters in Chaos - Chapter 163 - 140 Substitute Literature?

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

The protracted ’witch hunting’ had faded into silence with the end of the Seven Years’ War, and the mysteries of the East Coast had begun to conceal themselves, yet gunpowder was on a rapid rise. Mo Qishang, who should have been utterly confounded, stood at the crossroads of destiny in the name of Arthur. He stared in astonishment at the charging knights, the wizards atop the high towers, and the bizarre wilderness. He felt the sharpness of the longsword and the recoil of the firearm, both clear and unfamiliar. At last, he excitedly shook his robe and, with a smile on his face, said— “Do not believe what I say, for to believe is to exist!”

Chen Yuan transmigrated and became a Mountain Patrol Military Officer.The eight hundred miles of Langdang Mountain is his pasture.Unfortunately, the Great Qian Dynasty is in its final years, with its fate collapsing.Demonic disasters plague the land, bringing devastation to all living beings. The human world becomes a battleground, entering the mortal realm to face calamities.Monstrous beings and malevolent spirits take the stage, disrupting the martial world.Chen Yuan, armed with the Tiger Talisman for Mountain Moving, patrols on behalf of heaven, cutting down mountains and destroying temples.In the eight hundred miles of Langdang Mountain, demons and monsters shall not appear!

Kōdo Ikusei Senior High School, a leading prestigious school with state-of-the-art facilities where nearly 100% of students go on to university or find employment. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Kōdo Ikusei is a paradise-like school, but the truth is that only the most superior of students receive favorable treatment.

The protagonist Kiyotaka Ayanokōji is a student of D-class, which is where the school dumps its “inferior” students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Suzune Horikita and Kikyō Kushida, two other students in his class, Kiyotaka’s situation begins to change.