Isekai Maou to Shoukan Shoujo Dorei Majutsu - Volume 4 Chapter 1 part7

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates

After years of intense development and a thrilling beta phase, Ashen World Online has finally opened its doors to the public—instantly capturing global attention.At the center of the excitement is Blake, once the proud and formidable leader of the Cerberus guild—until his relentless ambition led to a crushing defeat in the beta’s grand finale. Now, as the official release dawns, he returns with two legendary powers: Spiritual Blacksmith and Limitless Enchanter. Bestowed with the power to forge entire armies, fortresses, and legendary gear, Blake can forge far more than just his own fate.But the question remains: has he truly changed, or will the lure of ultimate creation pull him back into the same ruthless path?

Theo volts, an 18-year-old Brazilian, died on his way home as he was struck by lightning. Upon waking he discovers that he was no longer human but a red fox. In addition, he also came to discover that he was gifted with a miraculous system.

Defeating monsters and frantic animals, Theo climbed into his cultivation, turned into a golden fox and conquered a Goblin village.

For others it takes dying and reincarnating for them to get a system but what happens when you get one without dying?

Aron Michael is an average student set to graduate within a week, but he was expelled for a random reason. Due to that, he had heavy student debt and no diploma to help him earn the money to pay it back. But one day he got a system that called itself the [Advanced Tech System].

Follow the story to watch him develop from your average Joe to him being the owner of the largest company in the world.