Because I've Been Reincarnated as the Piggy Duke, This Time I Will Say I Like You - Chapter 51 - The legend begin with Pig headed Knights

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!

The harassment from my in-laws who looked down on me because I was a commoner.My wife who indifferently watched me.It’s been 10 years since I escaped from them.A fallen family.But my wife, even in her death, still wore her wedding ring.

Prometheus, the infinite fortress of time, a crossover point for the infinite worlds of machine wars, Our protagonist, Xiao Ran, was put into great pressure due to having only attributes that do not exceed 10, making him as weak as a chicken. But being familiar with the storyline of each mission world, Xiao Ran exclaimed that the world would be his.

========== ========== ========== ==========
Mission world: “Gundam SEED” -> “Macross F” -> “Gundam 00” -> “Ultimate Mission” -> “Kakumeiki Valvrave”-> “Gundam 0079” -> “Gundam Seed Destiny” -> “Super Robot Wars OG”

- Description from Novelupdates

A mysterious teenager who had lost his past, awakened in Tianlong Continent. Mistaken as the Ye family’s Son, he used this identity to observe this chaotic world and to search for his past self, but only to find an inevitable and terrible fate, therefore he indignantly laughed at his destiny, and revealed his prowess to rule the lands under the heavens.