Two Realms Shuttle Gate: Don't Call Me a Demon! - Chapter 668 - 403: Softening (Second Update)_2

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

At the genesis of the world, the ‘Dark God Entropy’ was defeated in the fight between the five other Gods, and was sealed.

My sick sibling died so my usefulness is over. With that I choose to die, but I became a villainess in a third-rate novel?! In face of miserable end, I thought I can end this troublesome life with my own hands… But why do they keep trying to save me? “Don’t take your partner status from me, Selina.” “Can you dare to be greedy?” My life is getting better and better, and the day I will die is coming. What should I do?

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!