The supporting character's harem is very normal - Chapter 273 Akna and Iritellis

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!

With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

Rezen suddenly found himself transmigrated in the parallel earth where magic is possible with the help of Mystic Gems. He was excited to reach the top when life slaps him hard and gave him the lowest level of talent

Fortunately, Rezen activated his Farm System. So what if he does not have the talent for cultivation? His crops are more than enough to make up for the lack of talent!

The Celestial War!A war that has been ongoing since time!Pyrrhus, the human god isn't left out. He's known for his might and greediness, conquering many stars and sectors!Kyle Lin, a boy of Zekkoa becomes the recepient of a system; one which Pyrrhus has sent as a help. Forced to reincarnate into a magic world, he must grow stronger as the world is at stake.Kyle must free himself of being a pawn and take power into his own hands. Witness his journey to become an Omni Mage!

Magic finally reached planet earth, but it was not like we expected. It came in the form of mystic energy!

After the age of awakening, all living things finally entered the path of evolution.

Mystic Beasts invaded earth, destroying the world as we knew it, but we survived as we finally gained the ability to utilize the energy that the beasts came with.

Mystic Warriors were born, and humanity finally found a moment of reprieve, but the Mystic Beasts were still winning.

Rex Vector, an apparently mystic energy-deficient sword genius who lost everything to the war turned out to be the last inheritor of an Ancient Bloodline.

On fully awakening his bloodline he was granted a system and his whole life changed for the better.

Life held much more in store for him though as the contents of his first system mission revealed a reality to him that he wasn’t sure he wanted to accept.

[You are hungry!]

[You must drink human blood within 24 hours!]

[Penalty for mission failure: Death!]