The stage is Asakusa.
One day, three second-year middle school students — Kazuki Yasaka, Toi Kuji, and Enta Jinai — meet a kappa-like creature named Keppi, who is the self-proclaimed heir to the throne of Kappa Kingdom. Keppi forcibly takes the students' shirikodama (a mythical organ kappa steal through a person's anus) and they are transformed into kappa. Keppi informs them, "If you want to return to your former selves, you need to connect in 'that way' and you must bring me the shirikodama of zombies." Will the three boys be able to connect and take the shirikodama of zombies? At the same time, two policemen, Reo Niiboshi and Mabu Akutsu, try to do something at the police box where they are stationed.

Type: TV
Episodes: Unknown
Status: Not yet aired
Aired: Apr 12, 2019 to ?
Premiered: Spring 2019
Broadcast: Fridays at 00:55 (JST)
Producers: None found, add some
Licensors: None found, add some
Studios: MAPPA, Lapin Track
Source: Original
Genres: Demons, Supernatural
Duration: Unknown
Rating: None

Chief Director: Nobuyuki Takeuchi (Uchiage Hanabi, Shita kara Miru ka? Yoko kara Miru ka? director and storyboard)
Series Composition: Kunihiko Ikuhara, Teruko Utsumi
Original Character Design: Migi
Character Design, Chief Animation Director: Kayoko Ishikawa (Yuri!!! on Ice costume design)
Concept Design: Katsunori Shibata (Devilman: Crybaby storyboard), Maimu Matsushima (Noragami Aragoto visual concept)
Art Director: Ayaka Fujii (Ryuu no Haisha), Studio Pablo
Music: Yukari Hashimoto (Hinako Note)

Kazuki Yasaka: Ayumu Murase (Wei, Kanjian Erduo La!)
Yuu Kuji: Kouki Uchiyama (Yuri!!! on Ice)
Enta Jinnai: Shun Horie (Nana Maru San Batsu)
Keppi: Junichi Suwabe (JoJo no Kimyou na Bouken: Ougon no Kaze)
Leo Shinsei: Mamoru Miyano (Zombieland Saga)
Matake Akutsu: Yoshimasa Hosoya (Megalo Box)

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