Time-traveling lovers Katsumi and Sakura find themselves in the midst of Japan’s medieval civil war between the Heike and Genji clans.

The scene is Steam City, a London-ish city which represents an entire civilization run by coal and steam power. Because of steam, the city is sometimes covered in a mist. Villains take advantage of the steamy mist to hide and execute their evil plans. Only a few dare venture into what’s beyond the steamy mist. […]