The supporting character's harem is very normal - Chapter 461 Karol Magic Academy.

Saul traverses into a wizarding world filled with eerie mysteries and deadly crises.Determined to survive, he resolves t...Saul traverses into a wizarding world filled with eerie mysteries and deadly crises.Determined to survive, he resolves to overcome all obstacles and become a wizard. However, in this terrifying world, both apprentices and official wizards must constantly face the threat of death. Worse yet, Saul finds himself a prime target for persecution.Fortunately, he acquires a diary that can predict the future.But every prediction reads:[You bled out and died.][You turned into fertilizer and found great satisfaction in your new form.][You laughed yourself to death.][Three years later, you became someone else’s potion ingredient.]Saul: (╯‵□′)╯︵┻━┻ I don’t want this cheat anymore!Wait… Saul’s eyes suddenly lit up—Did I just rule out another wrong choice?Before long…Diary: (╯#-皿-)╯~~╧═╧ This isn’t what a diary is supposed to do!

Starting from today, I am retired. But what should I be doing? I neither have the skills, nor the mind to do business, my only advantage is this pair of hands which have taken this world. What a headache…

Note: The usage of the term “retired” here doesn’t mean retiring from old age, work etc. It’s a specific term to refer to not involving oneself in the affairs of a certain society.

[System Activation Complete][Welcome, Host, to your new world.][You died, and your soul has been transported into a new world.][Mission Assigned: Build the Greatest Empire in This World]After a fatal accident, Aric awakens in a strange new world, now in the body of a seventeen-year-old half-elf with nothing but a shattered past. Abandoned by both humans and elves, he’s forced to survive alone in a dangerous forest. With no one to trust and nothing to his name.He awakens a mysterious system that gives him the mission to create the greatest empire. Aric takes up this task in other to survive, trying to make the greatest empire from scratch in this new world. Will he make it to the end other will this world swallow him.

The ancient empire was on its last legs, the nascent federation echoed with the roar of steam, slumbering gods gradually awoke, and colossal beasts that vanished in the primordial era were slowly emerging.When Laine arrived in another world, a magical profession panel awakened within him as well.Laine believed that if a person's life could keep growing stronger, one day they would certainly be able to control their own destiny and stand shoulder to shoulder with the gods!