Strongest Eccentric Consort - Chapter 748: How Upsetting!

Year 2035. The virtual reality game, Warlord, changed the world. An Jaehyun was one of the many who wished to change his life through the game. After dedicating his life to the game, he was met with a betrayal. A betrayal by his comrades. As a result, he lost everything. But a chance was given to him. A chance to redo everything again! “I won’t play with others ever again. Whatever the outcome, I’ll show that I can do it alone.” Others rolled a dice to split the spoils of victory. An Jaehyun ate it all by himself. It was the start of An Jaehyun’s solo game life.

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!

- Description from Novelupdates

Hakuto's life changes forever when his father Shin— a man with highly questionable morals—marries Kagura Kurotsuki, the CEO of a multinational company, and they move into her luxurious mansion.There, he meets the alluring daughters of his new stepmother: the seductive Yuzu—who doesn't hesitate to tease both her new stepbrother and her stepfather in ways that are... rather bold—and Rika, more introverted and irritable, yet just as sensual.But nothing is truly as it seems...Kagura is a succubus, but Rika and Yuzu are different.They were born from a demon and a vampire—something that shouldn’t be exsiste.Because of that, demons, vampires, even humans want them.But Hakuto won’t allow it.He’ll never let anyone hurt his beloved stepsisters.

Because I like to collect antiques, I was accidentally brought to a magical world by a crystal skull in my collection.

- Description from novelbuddy