Shabake

During the Edo period lives Ichitarō, the young owner of Nagasakiya, one of the largest stores in Nihonbashi. He has been physically weak since birth and is unable to go outside. However, Ichitarō is always surrounded by spirits such as Báizé and Inugami, who serve and protect him. One night, Ichitarō sneaks out and witnesses a murder. From that day on, a series of bizarre murders began to occur in Edo. With the help of the spirits, Ichitarō's search for the culprit begins.

Synopsis from Anime News Network