I Became the Villain's Trainer - Chapter 37

Jiang Bai woke up one day and found with shock that he had transmigrated to a parallel world that is similar to Earth. There, he was granted a cheat system to help him forge the path of a tyrant in this new world. He was now stuck in this parallel world body, the body of a weak and cowardly person. Join Jiang Bai as he rose to the top in this new world!

- Description from Novelupdates

In the past, the giants of the heavens and the gods were destroyed after the reincarnation of the world! Cruel curse, eternal hatred, Tan Yun is determined to never sink again! For the sake of loved ones and relatives, from now on, step on the corpse of the enemy step by step to surpass the peak! Defying the sky, killing all worlds, I am the only one!

- Description from novelbuddy

Sivis was transported into the game Gandanyir.In a world where nobles monopolize extraordinary powers while commoners, barely better than pigs and dogs, suffer endless torment, he inherited the title of the Evil God.By continuously slaying enemies, Sivis could earn Soul Points, which allowed him to enhance his monsters.Goblin → Elemental Goblin → High-level Goblin.Skeleton Soldier → Skeleton Mage → Bone Dragon.Stone Golem → Fire Demon → Carved Gargoyle....In order to strengthen his monsters, Sivis started wars, annexed nations, and slaughtered countless nobles and kings.He also casually gathered numerous helpless commoners, bringing them under his domain system, improving agricultural and industrial technologies, ensuring that these people had enough to eat, teaching them to read, and turning them into the creators of his domain's wealth, which he ruthlessly exploited.But... Sivis had two doubts.First, why is it that his subordinates are always bringing him women?First, it was the Saintess from the Church, then a peerless female knight, followed by a princess from the kingdom, a succubus from hell, an angel from the Holy Hall...Second, why, as an Evil God, are countless people calling him the Savior, the Wise King, and the Benevolent Father of all beings???

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