The supporting character's harem is very normal - Chapter 531: The law of this world

only led to his death.But fate had other plans.Reincarnated as the son of the strongest being in existence, the Demon King. One might expect him to resist, to rebel against the Demon King and kill him once and for all.But why bother?Being the good guy led to nothing but betrayal and death. This time, he'll live for himself. Women, pleasure, power—he will claim it all, as any true demon would.

Enemy of the world, cursed by all, Kim Sungchul goes on a quest to prevent the ‘prophecy of the end’ from coming to pass.

But no matter how much he raised his strength, there were still some things he could not achieve with physical strength alone.

Resolving to obtain the power of magic, he goes into hiding to learn magic from his most hated of enemies, The Mages.

This is a very interesting thing. It is obviously dim and black, but it can emit a golden light, which makes people deeply fascinated by it…

- Description from novelbuddy

The MC is Tom Riddle, but not that Riddle you think of.Starting from Hogwarts, Tom travels all over — to America, France, Germany — grinding hard to grow stronger.Note: the story is a mix of comedy, slice of life, and adventure.#Fantastic Beasts #Harry Potter #Gellert Grindelwald #Andros the Invincible #Rayquaza Pokemon_____________Alt titles: (Hogwarts: I’m Tom Riddle, Not the Dark Lord) & (Hogwarts: I’m Tom Riddle, and I Can Summon Legends?!)__________________________The cover is from [Wandering Witch: The Journey of Elaina], the same as the original author’s cover. There’s a high chance that his system has the ability to summon characters from other worlds.__________________________Support me and read +50 advanced chapters at: patreon.com/_Coreal