Fantasy Assassin in a modern world - Chapter 181 - Seven School Mysteries part 5

Five years after being kidnapped and ens*aved in a city full of Witches, I became the only male Witch in the world!

The people of Earth have been summoned once again

Scientists document six extinction events in Earth's history, but none of them were as natural as they claimed.

Sylas and his family have been called back to the Browns, a family of billionaire elites with assets reaching into the trillions. He isn't sure what to expect until he touches a floating bronze cube that changes his life.

[Bronze City Stele]

[Status: Dormant]

[Time to Activation: 04:13:38]

Unfortunately, there's only one Stele and the Browns have already decided upon their candidates. If Sylas wants to control his own fate, he'll have to enter the Trial.

Now, woefully unprepared, and stuck in a world filled with the extinct creatures of Earth, he'll have to carve out his own opportunity... whether the Browns like it or not.

Mortimer Zhu is an extremely unfortunate high school student who accidentally enrolls into an academy of a dubious nature, where it is the norm to jump in front of moving trains, get dismembered during orientation, and crushed by vindictive bouncing classrooms. Can he stay alive or will he die from the rigors of school? Why have evil spirits suddenly acquired a taste for his flesh?

- Description from Novelupdates

Set on a giant, almost finished bridge between Sadogashima and Niigata. Abandoned by the government, the bridge, and the giant man-made floating island at the center, has become a city of criminals and societal drop-outs.

Set in the same world as Durarara, but 15-20 years later. There is almost no overlap between Etsusa Bridge and the other novels.