Similar to death note
Cadis Etrama Di Raizel, Rai, while seeking to familiarize himself with this era, somehow locates a loyal servant of his, Frankenstein, who is currently the principal of a South Korean high school. Rai decides that this high school would be the perfect place to help him learn about the new world. He enrolls, and suddenly becomes the friend of Shinwoo, an immature teenager who is also a master martial artist. But this new world is no safer than the old, and the dignified, bewildered, technological
Survival manga
Students are stuck in a death game. And the only way they can escape is if they use all their special abilities. Main character has the power of writing whenever he sleeps
To Aru Kagaku no Choudenjibou