MTL - I’m Really a Great Director - Chapter 67 little dark business

[Your shadow is alive.][Feed your shadow, devour souls, level up, gain skills, complete quests, and grow stronger.][Do you wish to view your current stats?]In the magical world of Aetherus, Damon Grey is the weakest student at Aether Academy, relentlessly bullied and ridiculed for his lack of power and defiant personality. Yet, he endures the torment, clinging to his scholarship—the only thing providing him with the funds to keep his sick sister alive.After a brutal attack leaves him near death, Damon encounters a dark viscous entity in the forest that fuses with his shadow, awakening the Living Shadow System. This strange power grants him unimaginable abilities but comes with a grim cost—a relentless hunger for souls and flesh to feed his shadow.Now, with his shadow alive and insatiable, Damon faces a terrible choice: feed it to grow stronger or starve it and die with it.In a world ruled by ruthless nobles, deadly monsters, and power-hungry demons, Damon must decide if his newfound power is a curse or the only way to survive. With the Living Shadow System, his fate is clear: devour or be devoured.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!

After suffering from a heat stroke while working under the scorching heat of summer, Lu Zhou, a hardworking but poor university student, somehow becomes the owner of an advanced technological system. With the cheat given by the system, his university life changes overnight.

A Master’s degree? Easy.

PhD? Not a problem.

From a nobody, he quickly becomes a huge celebrity in the world of science. With the missions given by the system, he is on his way to winning a Nobel Prize.

“System, can points be exchanged for money?”

“No.”

“F**k, what use are you then!?”

“This system will make you the ultimate scholar, the kind that lords over all of humanity. What use will money be to you?”

- Description from Novelupdates