Machida Toshiko

DeepL Translation: Early 19th century--Nagasaki. Nagasaki was the only place in Japan that was allowed to trade with the West during the period of national seclusion. Dejima, where all sorts of things from foreign lands were brought in, and sometimes invited "non-human beings" as well...! Mistress Kikuhana of the Maruyama prostitute and her three apprentices take on Nagasaki's avenging outsiders! This is Nagasaki's youkai mystery! Someone, please do a better translation of the synopsis.

They say that a spirit sometimes appears on a certain crossing in town. One day, a high school boy named Sahara gets into an accident on that very crossing, causing his and his friends' lives to change forever.

This world had rules. Rules that weren't meant to be broken. If only we had known those rules, everything could have been avoided…