Welcome to the Innocent World - Chapter 150: Teachings & Pleasure (R-18)

Emperor Xianwu ninth reincarnation, only to break through the shackles, was besieged and killed by masters from all walks of life.

Fortunately, a ray of divine consciousness traveled across thousands of planes to the earth and entered the body of the dead young man, just to get rid of the anger in his heart and to regain that peerless peak!

- Description from MTL

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Are you humiliated by being attacked?

Are you sorrowful to be a stepping stone?

As a cannon fodder hanging in two episodes, are you unwilling?

Don’t worry, I am here!

As the only system supplier of All Heavens and Myriad Realms System Shop, I can make a variety of portable systems for you, and let you reach the peak of your life!

Boy, it’s time to raise your eyebrows!

Boy, it’s time to counter-attack!

- Description from Novelupdates

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!