BLOODY WEBTOON- THE CLASSROOM OF DEATH CHRONICLE

Assuming you happily finished reading a popular web novel called Bloody Webtoon, that novel came to life, killing ten million readers worldwide in one single night, and this night is your night to join the dead for reading that novel. What will you do?
Pandora’s Box also identified as the Devil's Toy Box
An urban legend commonly told by people of South Korea about Pandora’s box that has the power to grant you your inner desires, your greatest wish, beauty, immortality, fame, wealth, power, name it; you just have to find the box and make your wish. So it was told to every citizen from birth.
So people will fight each other; fathers betray sons and daughters engage in a bloodbath against anyone, billionaire tycoons and ordinary good citizens turn bad all engaged in a fight.
Every man for himself, however, there are only a few who truly know that Pandora’s box was not a box of wishes but a Devil's toy box, A key to the gateway to unlocking another dimension of monsters to human reality.

A time when science was at its highest peak during Albert Einstein era, a local scienctist name Abraham pike wanted a name for himself and so he ventured to solve the mystery of the big bang theory of how this world was form believing combining magic and science was the key to the mystery however he hears a voice name the gate keeper who taught him how to create a puzzle box to open the astral realm.
the results of opening the astral realm to human world was a massive teleportation of 10 miliion humans and buildings to another world.
he saw a world of monsters with high wickedness.
teleporting back, to the human world, he sought to destroy the boxes but could not and he split the boxes into six and scattered to six different countries...one with the monks, one with, a Japanese exorcist, one with Roman catholic Church and the others unknown.
what Abraham pike did not know was that before the boxes were scattered, the gate keeper created six clones guardians and made a competition between them. one of them must kill absorbing the other five uniting the box as one to open a dimension door uniting the closest astral realm and the natural realm. who ever wins becomes a celestial being. he hide them in the six boxes just in time. each guardians searched for six human champion host for a blood bath to retrieve the boxes for them borrowing them their spectral powers and the blood bath began.

The Yoon prestigious family is a billionaire family that owns it all in terms of wealth, but the seedlings struggle for succession for the vast wealth brings out the deadly evil nature of humans.
Sen Jin won- Alex Walker, the devil's son, witnesses his grandmother and his mother killed in front of his eyes by his uncles and aunties to obtain the wealthy throne. He was bullied and mistreated by his family. In despair, he unlocks Pandora's box and got a leveling-system for revenge, which becomes his helper as well as his greatest doom, unlocking a world of monsters merging with the human world. He must save his friends, his beloved, and the world from mistakes in his quest for vengeance. He must destroy the Pandora's box inorder to separate the astral dimensions from the real world