Reincarnated As The Strongest Ancestor With a System - Chapter 323: Meet Devil Ancestor Again

After the soldiers’ mercenary group where he used to work had been utterly destroyed, Loren, who survived the disaster, decided to walk the adventurer’s path as a way to make a living. However, for Loren who had no acquaintances and nothing but an empty pocket on him, receiving a single quest seemed like a faraway aim. So, as he was contemplating about what he should do next, another adventurer called out to him.

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Rhodes accidentally tripped and fell while playing with his phone as he walked down the stairs, only to find himself transported to the world of Fairy Tail.To his surprise, he discovered that he had the ability to summon various wild monsters from League of Legends and even learned how to use Receive Magic.But that wasn’t the main issue. The real problem was that, among a guild full of reckless individuals, there was suddenly someone who actually liked making plans.Some people believed he was destined to become the next guild master.But Rhodes knew the truth—becoming the guild master of Fairy Tail meant endless self-reflections and a never-ending pile of compensation bills.Determined, Rhodes made up his mind: I don’t want to be the guild master!

Having lived a normal life all his life and died without being able to fulfill his desire and when he’s given a task by a god, watch how he takes the protagonists girls while making it hard for the hero.