Showa 5th Year, Yokohama: After the Great War, in this country where a dreary shadow was cast by the militaristic tides; Yokohama was able to spectacularly develop overflowing exoticism. But one night, the...

It's her high-school debut, yet Tora Takei can't seem to fit in.Then somehow, she ends up time-slipping into the Warring States period! In order to return to the present, she has no choice but to change history...