Etsusa Bridge - Volume 4, Chapter 6-B: Charlotte Liverpool Without a Clue

... > An engine too big for even a gymnasium hummed and roared as it shook the world.

The island was floating above the water, with no foundation on the sea floor.

Built on theories from twenty years ago, the artificial island was designed to always maintain a regular distance and angle from and with the bridge.

This monstrous engine was a part of that mechanism.

It was symbolically the heart of the island, but its danger and eerie presence kept even the locals away. ...