【Worldview】 The protagonist has time-slipped from the modern era to the Edo period. While the history is based on the real Edo period, it is a world where legends of Yokai, Ninjas, Onmyoji, and master swordsmen actually exist.

Only the protagonist possesses modern knowledge and special abilities. Abilities are freely set by the user. Anything is possible: swordsmanship, supernatural powers, assassination arts, firearm knowledge, ninjutsu, etc. Possesses modern-day knowledge.