Inherited RUINED CASTLE in MONSTER FOREST, But His SYSTEM Lets Him Level Up EVERYTHING

What the story is about

After being transported into the game character he created, Lin Fywin awakens in a ruined castle surrounded by a monster-infested forest. A sarcastic system lets him raise his attributes through relentless training and crafting, turning him into an immensely powerful fighter as he uncovers his bloodline’s connection to an emerging demonic threat.