The Invincible Supernatural System: I Can Assimilate All Ghosts

"I was ripped into this world against my will, so anyone who gets in my way from going back home... I'll show no mercy."Deklan is a renowned high school bully born with the unique impulse to do bad things.But he turned his life around.He and his father agreed to change for the better after spiraling into depression following the death of Deklan's mother. Instead of bullying, Deklan watched gory horror movies to suppress his impulse, and it worked.It worked so well that the impulse was essentially gone, replaced by an obsessive love of horror movies.Fate, however, played a cruel twist on him.He died.But death wasn't the end; he was transmigrated into another world.In a world where the metaphysical realm bled into the tangible reality, a world where Ghosts were real, Deklan must find a way to go back home. And if the only way to go home was to become invincible by taming all ghosts first, then so be it.Fortunately, his newfound hobby gave him a powerful blessing."You don't scare me. Your face is so generic that at least a hundred horror movies starred you.""System, this ghost is strong... Use Agna the Red Scarecrow Persona!""This ghost is fast... use that persona!""This ghost is so tough... use the other persona!"Others can only assimilate with one Ghost or none. Deklan? He can assimilate them all.Will Deklan be able to become invincible and go back home to reunite with his father, or was his transmigration more than meets the eye? Even if he can, with a fight for survival in every corner, will he come back the same person?