I Got Possessed By A Succubus Queen - Chapter 24 Around The Campus

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

In this world, there are those that are fortunate and those who are not.

Ethan Bellrose is neither; he is cursed. At nineteen, he has lived his entire life sheltered in his home as his fragile body blisters under sunlight, breaks under the slightest impact, and falls to any sickness.

However, the arrival of a world-changing digital service catches the hopeless young man’s eye: “Reincarnation Online”--a virtual reality experience that gives a new fantastical life to those who are unfulfilled with their current path.

For Ethan Bellrose, the choice is simple. Without hesitation, he orders the virtual reality headgear, choosing to abandon his current life and live forevermore in the world of fantasy, magic, and endless adventure–”Arcadius.”

Though what he finds is a world not full of leisure and trivial triumph, but a world just as alive and full of darkness, glory, and grandeur as Earth–if not greater.

Starting from square one as an infant, given a new name and family, this is the eventful life, full of dreadful lows and exhilarating highs, of “Emilio Dragonheart.”

[...Booting System…]

[Welcome to Reincarnation Online.]

[You will henceforth by the recipient of the Dragonheart System.]

[Please, enjoy your stay.]

Zhou Yanci, who was blessed by the heavenly official, in this life, only wants to let himself go.

Whoever blocks it, whoever it is!

  Delicate daughters want to counterattack, and smart girls are much happier.

Xianggong: The lady has turned black, the husband is so scared!

  Your town house expert has brought the aura of Hongfu Qitian to the hot line.

- Description from novelbuddy

Through an accidental transmigration, Gu Huan became the youngest Alpha general in the novel. He is handsome, aloof and powerful, admired by thousands of people.

Even if he was a villain, this was a proper, awe-inspiring character design.

Gu Huan was so happy!

Looking at the needle holes in his arms, the haggard eyes, and the home that had been dismantled into an open-air convertible.

He suspects that he is actually an addict.

Doctor: No, you are just a very ordinary Omega who used inhibitors during the fever period.

Gu Huan: …you are kidding me.

Doctor: An Omega of your age who has not been marked is very likely to be leashed.

Gu Huan: …I believe this.

To survive. Kaolin (senior) Flower (single dog) can only apply for marriage online.

Marriage Self-Description: Older, hot-tempered, not guaranteed to not to beat someone in heat, not guaranteed to not to beat someone to death.

In the end, someone actually came to this painful marriage request, and it was the prince who wanted to eradicate him, the villain, in the original text.

——The so-called wolf dog, when it hates you, it is a wolf, when it likes you, it is a dog.

- Description from Novelupdates