The supporting character's harem is very normal - Chapter 476 That person... is Lathel?!

Zhang Gong decides to learn light magic, a magic few show interest in and eventually becomes the legendary Grand Magister. While trying to end the continent’s east and west separation in order to unite all of the different races, he becomes every race’s Child of Light.

The well-known and recognized throughout the Stern continent, strong and mighty, as well as the unique Wizard of magic cures, the most outstanding genius of the whole continent, Jason got into the flow of time, back in the uncivilized era during the first failed experiment, 3000 years ago. This was the period when the magic healers didn’t exist. How will Jason apply his knowledge in this backward era, wherever he reach the peak of glory?

- Description from Novelupdates

Aaron, a wildlife biologist, became a military strategist right after a global war between nations began.He never wanted to participate in the war but he had to, because he wanted to continue his studies on endangered species the moment the war was over, but to his surprise, everyone in his unit were killed, including him, and the next thing he knew, Aaron woke up in the body of a young noble having a similar name to his.However, he also noticed he had awoken in a world different from Earth.In this world, demonic beasts ran rampart with only one thought in mind, causing them to feed on anyone they see, be it humans, elves or even magical beasts as well.During his first encounter with a magical beast, Aaron awakened a system which allowed him to bond with magical beasts and to obtain terrifying abilities from these bloodcurdling magical beasts, so he used his experience as a wildlife biologist to help make it easier for him to bond with these beasts.However, Aaron also noticed he could evolve these beasts if their loyalty towards him had reached a certain level, so he vowed in his heart to grow strong enough to protect those he cared about in this world with the hope of living a happy, peaceful life where he'll be able to focus fully on his passion as a wildlife biologist.

After being fired from his job due to a baseless accusation and dying while trying to save a girl from a robber, Maximilian is reincarnated into a world where caped heroes and superpowered villains clash in the streets.Disillusioned by a life of injustice and unrewarded good deeds, he vows to live for his own satisfaction. Armed with the Greatest Villain System—a golden finger that promises to make him the most feared villain in history—Maximilian sets out to embrace his dark side.First Mission: Beat up innocents.An old, retired hero thanks him for preventing a terrorist attack.Second Mission: Destroy a hero monument.Maximilian ruined an unlucky villain career.Third Mission: Beat up a famous hero.A detective hero praises him for exposing a criminal’s crimes.System: “Maximilian, are you messing with me?”Maximilian: “I’m innocent!”Several heroes who think they’re privy to the truth: “Maximilian, you are the most selfless hero we’ve ever met!”Maximilian: “I’m a villain, you idiots!”As Maximilian struggles with his new life as a villain and tries to prove his villainy, he uncovers numerous conspiracies within the new world’s government.Will Maximilian be able to prove his villainy? Or will he be remembered as the greatest hero of all time!?