The scissors were a killing tool that belonged to his ancestor, Norma Grayland, the most infamous serial killer in history.

The anime television series adaptation is directed by Yūji Yamaguchi and produced by Studio Gokumi with music by Yasuharu Takanashi.

[20] While expressing criticism towards its "messy" transitions into different genres, Kimlinger praised it for its direction in atmosphere and action, funny humor and viewing the perverse Author/Instead relationships in a "redemptive" light.

[20] Richard Eisenbeis of Kotaku talked about the complete anime series, expressing interest in the world and its cast of diverse characters but felt that it was bogged down by its constant genre jumping and unsatisfying ending.

[21] Aiden Foote, writing for THEM Anime Reviews, gave praise to the show's two main leads and supporting cast for their quirks and aesthetics being "interesting and varied" but found it overall to be "a limp Future Diary clone" with poor pacing and an unfinished plot.