I Created a Knocking Ghost at the Beginning, and I Revived the Evil Ghost!

[The mastermind behind the scenes + darkness + no heroine + strange recovery] Zhao Ye travels through a parallel world and is terminally ill, but accidentally obtains a black diary. Fortunately, as long as you write on it: trigger conditions, execution methods, and mortality rules, you can create a real ghost! Spread fear through ghosts and harvest fear points, and you can redeem your lifespan infinitely! Starting from the first E-class knocker confined to an apartment, he continued to create and upgrade it! The murder pattern that enveloped a building gradually expanded to blockade a street, a city, and a country! Even the whole world! … When the official Bureau of Investigation discovered that supernatural incidents were occurring frequently, they initially thought they were accidents and chose to block the news. By the time they fully reacted, it was already too late, because the end of Hyakki Yakou had arrived! That is an unsolvable rule that cannot be killed at all! Countless terrifying ghosts are coming out of that man's diary!