The Morose Mononokean

 is a Japanese manga series written and illustrated by Kiri Wazawa. An anime television adaptation aired from June to September 2016. A second season aired from January to March 2019.
Media.
Manga.
Kiri Wazawa launched the series in online Square Enix's "Gangan Online" magazine in September 2013. The series is published digitally in English by Crunchyroll Manga.
Anime.
A 13-episode anime television series adaptation was announced by Square Enix on 11 February 2016. The series is directed by Akira Iwanaga and written by Takao Yoshioka, with animation by the studio Pierrot Plus. Yasuharu Takanashi composed the music. Character designs for the anime were provided by Atsuko Kageyama. The opening theme song is , performed by the duo The Super Ball, while the ending theme is by Tomoaki Maeno and Yūki Kaji. Crunchyroll simulcasted the first season, while Funimation released the series in North America. The series aired between 28 June 2016 to 21 September 2016, and was broadcast on AT-X, Tokyo MX, Yomiuri TV, Chukyo TV, and BS11.
A 13-episode second season has been announced, and aired from 5 January 2019 to 30 March 2019. Itsuro Kawasaki replaced Akira Iwanaga as the director, and Mizuki Aoba replaced Atusko Kageyama as the character designer. The cast reprised their roles. The opening theme for the second season is by mono palette, while the ending theme is "1%" by Wolpis Kater. Crunchyroll simulcast the second season, while Funimation produced an English dub.
Reception.
"Gadget Tsūshin" listed "melon soda", a phrase from the ending theme, in their 2019 anime buzzwords list.