Ghosts in written fiction

root taxon in the Harry Potter universe

is a Japanese light novel series written by Chiyomaru Shikura, and is a part of the Science Adventure franchise. It was later adapted into a visual novel and published by Mages in November 2017. The light novel series is licensed in English by J-Novel Club. A manga, illustrated by Ganjii, was serialized in Kodansha's good! Afternoon from October 2015 to May 2017. An anime television series adaptation by A-1 Pictures aired between October and December 2016.