I Became a Cancer Character in the Academy

He was fooled by a brat claiming to be an author and ended up possessing a novel he had been reading for seven years.

And not as a genius protagonist, but as Kim Baram, a troublesome supporting character with zero talent who only ever caused accidents and incidents.

If he wanted to survive, he had to stop the destruction of the world, which the protagonist of the novel had failed to prevent 999 times, with this frail body.