There's definitely something wrong with this murder mystery game - Chapter 784 - 669: The Person Has Been Fooled Cripple

Jiang Bai woke up one day and found with shock that he had transmigrated to a parallel world that is similar to Earth. There, he was granted a cheat system to help him forge the path of a tyrant in this new world. He was now stuck in this parallel world body, the body of a weak and cowardly person. Join Jiang Bai as he rose to the top in this new world!

- Description from Novelupdates

The protagonist is reborn in the world of the game he loved so much – [Dungeon Brave Souls]. However, he was reborn not as a hero who adventures with the heroine while flirting with her, but as a villain who steals the heroine and drives the world to extinction.

Why in the world should he be reborn as a villain who ruined his favorite game? The protagonist is in despair, but he still decides to live his second life freely, using his knowledge of the game. However, the reality is not as good as he expected. Events that should not have happened in the game, scenario changes happen one after another…!

The villainous character crushes both the demon king and the heroes. A heroic tale of evil supremacy!

[Character Deleted.]I deleted the character I had been raising for over 5 years.To finally defeat the final boss of Demon Fantasy—the one I could never quite beat.For the sake of defeating ‘Baal’.“…I can just start over. I can do it.”And then…[Special reward has been granted!]“What? A mythic-tier trait?”The perfect opportunity had arrived.“This time, for sure!”I’ll raise the strongest mage and take down Baal!At least, that’s what I thought when—[Welcome to Demon Fantasy.]I found myself inside a world teeming with 666 kinds of demons.And I had the ‘special reward’ I just received!“…Fine. Let’s see who wins this.”I was confident.After all, I’ve been a veteran of this game for 10 years.

[WARNING]****** /THIS NOVEL CONTAINS EXPLICT SEXUAL CONTENT, CURSE LANGUAGE **** * ** ******* * **** AUDIENCE DISCRETION IS ADVISED“I’m in a relationship with a stunningly beautiful and irresistibly alluring girlfriend, whose charm and grace are unmatched. Winning her heart wasn’t easy, but I thought she was the embodiment of virtue and innocence. However, one day, I discovered a side of her I never anticipated—through our apartment window, I saw a connection with her ex that left me in disbelief. I never would have guessed she could have such a hidden side.”[A/N][this isn't a fast-paced novel, so for all those looking for an early revenge it's not coming now, it's just a casual novel read if you like it]