Tome of Troubled Times - Chapter 15: Wine for You

When Isaac opens his eyes, he finds neither eternal rest nor peaceful reincarnation... but a descent into hell. He wakes up in a world identical to his own, except for one terrifying detail: portals filled with monsters are popping up everywhere, and if no one stops them within three days, the apocalypse is upon us. Here, only enlightened hunters - graded from F to SS - have the power to confront these nightmarish creatures. The problem? Isaac is an F-rank, an orphan with no future, condemned to survive in the shadows of the strongest.But one night, everything changes. His spirit is torn from this world and plunged into another, a veritable hell where humanity is no more than a herd of slaves under the yoke of dragons. Tortured and broken, Isaac soon understands one thing: this other world isn't just a nightmare... it's a warning.As he fights for his life, a miracle occurs: an enigmatic system enables him to steal the power of the monsters he slays.[*Ding* Would you like to absorb the physical stats?]Weak yesterday, predator today, he has but one goal: to unravel the mysteries of both realities and crush those who would see him fail.With a katana in hand and a secret burning in his soul, Isaac refuses to be a victim. If he wants to survive, he has only one option: become the ultimate hunter... before history repeats itself.

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

His legendary class is The Husband Of Deathwill Sisters!

While other players went through common quests to get their classes, Alex started by getting a legendary class: Husband Of Deathwill Sisters! He got three beautiful wives from the start and the legendary castle!
What would his girlfriend and friends say about this once he reveals his class to them?
And what about Deathwill Sisters? What is their plight, and why would they suddenly get a husband?

The game spoilers turned out to be fake. The characters I gathered thinking they were heroes are actually all villains. In other words, I accidentally created a villainous organization.