Reincarnated With A Summoning System

The world was invaded by monsters that suddenly appeared all over the world and a system-like software had been installed on some humans' intelligence by an unknown force. The war between monsters and humans was bloody and two billion people lost their lives. Jianyu, who was at the bottom of the power ranking of the Upgraded Humans with his team, was preparing for a future where he would lead humanity against this extraordinary enemy...

What happens when you receive a system after a heart-break. Betrayed and humiliated by his girlfriend to a point of depression, Tristan's saw nothing good in himself, being called poor and charged of an obscene-related crime only made matters worse. However in his emotional state, Tristan could only hear a mechanical voice inside his head, alas! it was a system. [ You have received a role play system] ......."I have a technology that no one even knows exist!" .......

In this world where monsters and magic exist, there are all sorts of things inexplicable with science. Lee Woo was a famous scientist in his old world until he got sent to a monster world where science doesn't exist so he will make it exist.

Kelvin Stewart is a junior high school student with big dreams—becoming a successful, wealthy businessman. However, his life has not been easy. Born into a poor family, Kelvin and his mother were left homeless after their house was sold to pay off his late father's debts. They were forced to live under a bridge. At school, Kelvin was the target of hatred from many students because of his background as the son of a scavenger. Every day, he was attacked with harsh words, humiliated, and often even tortured by student named Zico and two of his men. One day, in a quiet alley on his way home from school, Kelvin was brutally attacked by Zico and his men. His body was almost destroyed and he had almost lost hope, but at the last second, he unexpectedly obtained a system that saved him from death. Without that system, he would never have had a chance to survive. However, the question is—what will happen to Kelvin Stewart's life after he gets the system?

Robert Adams, a 25-year-old divorced man with a four-year-old daughter, will have to work in Chicago with his technological advance system in order to create the largest American technology company with which to give his daughter a decent life. However, his path will not be easy since many of his inventions will touch the markets established by the huge transnational companies in the country, so it will be a fight between the old and the technological advance brought by Robert.

"For every darkness, there is a ray of light to avenge." Disregarded by his wife and his in-laws all his life, Zen decided to end his life, but like destiny didn't want him to die, he got reincarnated into the body of a trillionaire in a whole different world. He was granted a system through which he can unlock his powers and with that he was going to take his revenge on the people who forced him to die and those people who killed the owner of this new body. “I will squish them all under my feet. Just wait and see!”

A total tech nerd reincarnates into the body of a dwarf living in the equivalent of the dark ages. He's been granted some extra power in his rebirth, but will that be enough to fight back against cultural norms, dwarven tradition, and the gods themselves to get back to his beloved gadgets?

Felix was one of the best elite special ops soldier in the world and now he is reincarnated as a bookkeeper with a trash ability in a Esper filled world which thrives on the rule of the strong prey on the weak, when he is give a nameless book by a mysterious stranger, he gains a system and finds out that his supposed trash ability is actually a powerful ability above the SSS rank so now he is determined to find out the truth about the parents he never knew and on the way he meets powerful people and the mysterious stranger who introduces him to a whole new world of adventure and danger.

Synopsis: After the city's peace perished, the rise of evil began. The battle between good and evil strikes every Hemian down, and Ace will be no different from that. After his unfortunate journey, the Prime's plan continues to manacle the rise of the fallen. But what if the people that he was trying to save rebels? Will the Ruler of Glory still succeed in defeating the Dragon's System?

The fight over the inheritance ring between rich families leads to bloodshed. The Reims family, which has the strongest ring, becomes the leader of a rich family. However, some wealthy families wanted more, so they tried to bring down the Reims family. A power struggle begins to occur, the rich heirs try to get all the heir rings, hoping to become number one. Who will win the throne?