Towa Higurashi was captured and interrogated by a feudal lord for future possessions, including a book of the Reiwa Era and the seat from her aunt Kagome's bicycle. She does not comply, certain that sharing info from the future will alter the past. The story then shifts back to several years ago with Kagome living in the feudal era with Inuyasha and their friends. Inuyasha and Miroku meet the Root Head, a demon whom Kikyö sealed many decades ago...