The World's most Overpowered Side-Character - Chapter 11: Death Threat.

Brolin, the nine emperor of the Black Dragon Mountain Empire, accidentally obtained the system of the realm of the world, and began the legendary journey of the battles!

In the Naruto world, with his star power, he overwhelmed the shadow-level powerhouses, grabbing reincarnation, and becoming a ten-tailed person!

Fighting the mainland, he led a large group of lords, surrounded the ancient eight clan, and confronted the peak Dou Sheng!

Covering the sky, he broke into the restricted area, seized the emperor’s scriptures and immortal medicine, and called the Lord of the human universe to fight supreme, and the sky was falling apart!

In the eternal life world, he crosses all realms, and fights against the Supreme King of Stone with the attitude of eternal true God!

Immortal continent, he jewels Jiuyang, looks down on immortal ancient, strong sky!

The perfect world, he runs across the sea, suppresses the heavens, and the Zhunxian Emperor must retreat!

Thinking of the eternal world, he ascended to the realm of Supreme Hunyuan, the fifth step of the war, Bai Xiaochun!

Heaven and earth, this is an epic of the black dragon!

- Description from uukanshu

In this world, there is the beautiful mutual and telepathy love.

Jin was a 19-year-old teenager who had been haunted by the same dream for ten years—a dream that carried a single message: “Destroy the final chapter.”When he finally did, his soul was pulled into the body of a servant named Lin, inside the Shoujo Multiverse—a world made up of five distinct realms:1- The Magic World2- The Hunter World3- The Celestial World (based on ancient civilizations like Ancient Egypt, Norse mythology, and more)4- Murim5- The Immortal WorldNow, these worlds are beginning to merge, and chaos is inevitable.Discord:(“Shoujo” here means that everyone has their own past and personal goal.)

The Human Civilization is on the brink of being wiped out. Only the last kingdom remains. Demonic beasts are the cause of this nightmarish situation. They would've annihilated the human race if the Beast Tamers haven't appeared. With their Beast Taming Seals, they can capture and command the Demonic Beasts, turning enemies into allies. They are the guardians of humanity who have forced open a safe haven for humans in a world overrun by demonic beasts.Ray, a law-abiding citizen with three part time jobs, transmigrated into this world after he was killed, finding himself a participant in the Beast Tamer Trial.If he fail, he would have to resume the original owner life and suffer endlessly until his death. If he succeeds, he would become a beast tamer, a privileged member of society.Luckily, the perk of a transmigrator arrived.[You have been bestowed the Strongest Beast Taming System!][You have tamed your first beast, the King of Slimes!][The Skill and EXP Sharing features has been unlocked!][You can use all the skills of your tamed beasts.][Everytime your tamed beasts kill a creature, you will gain EXP to level up.]While others were struggling to find ways to evolve their tamed beasts, Ray levelled up like crazy.