Yokohama, secret base.
On a lonely island stood a long-abandoned watchtower, surrounded by rusted steel structures, overgrown weeds, and tangled branches. Crumbling walls draped in cobwebs, collapsed partitions, and fallen support pillars formed a desolate ruin buried beneath a thick layer of dust, as though no one had set foot here in ages.
This had once been a supply station for passing ships, but it had been damaged and collapsed in an earthquake several years ago. Government agencies had been unwilling to spend the money to repair and rebuild it, and as more ports opened along the coast, the related industrial and warehousing businesses gradually moved elsewhere. This place was slowly forgotten.
A ferry pulled up to the shore, and Doctor Green, temporarily away from Yashida Mansion, stepped ashore. This seductive-looking private physician had shoulder-length flaxen curls. Beneath her beige overcoat was a green skintight outfit, her legs straight and slender, her entire body radiating a bewitching charm.
In the distance, sea and sky met in a single line. Dark clouds hung low as snow-white waves crashed against hard reefs, shattering into sprays of fine droplets. The tides washed against the shore with a rushing sound, producing the same monotonous noise over and over.
Beneath the overcast sky, the sudden appearance of a private physician from a great family on this desolate island was truly eerie. No matter how one looked at her, she did not seem like an outdoor adventure enthusiast.
Doctor Green strode into the watchtower, her high heels clicking against the floor. A rotten stench permeated the building. Less than ten seconds after the uninvited visitor stopped in the middle of the room, the tiles beneath her feet suddenly sank with a deep rumble.
After a brief moment of darkness, brilliant light shone down from above. Who