Study Monster Cultivation System - Chapter 25 - 0 That man couldn’t hold on

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

Born into darkness, Lucius is marked by an infernal curse—the Mark of the Abyss. This unholy sigil endows him with powers that defy mortal comprehension, yet seals his fate: servitude, rejection, and a grim demise.Embark on a journey with Lucius as he unravels the hidden truth behind the Marks, battles to carve out a destiny of his own, and strikes back against the cruel fate imposed upon him.In a world that shuns him for his cursed existence, Lucius will forge unlikely alliances to challenge those who scorn him. He is driven by a relentless desire to claim a place for himself and his loved ones, no matter the cost.Prepared to plunge into the darkest depths of depravity, Lucius is poised on the brink of a harrowing journey. The ultimate enigma remains: what awaits him in the abyss of his ambitions?

I didn’t know this was a world inside a game. And I didn’t know my master was a mid-boss. “No way… wasn’t she supposed to self-destruct because of her personality?!” …I’m sorry.

At the Tristain Magic Academy, her classmates call bumbling witch-in-training Louise Francoise le Blanc de la Valliere “Louise the Zero.” During an important coming-of-age ritual, when each student must summon their own witch’s familiar, Louise confirms her classmates’ opinion by accidentally conjuring up a normal teenage boy from Japan. Whether the two of them like it or not, the laws of magic bind them as master and servant forever! A hilarious novel with romance interwined.