| Ja Kanji: | 伊藤潤二『マニアック』 |
| Ja Romaji: | Itō Junji Maniakku |
| Creator: | Junji Ito |
| Type: | ona |
| Director: | Shinobu Tagashira |
| Music: | Yuki Hayashi |
| Studio: | Studio Deen |
| Licensee: | Netflix |
| Released: | January 19, 2023 |
| Runtime: | 24-25 minutes |
| Episodes: | 12 |
is a Japanese anthology horror original net animation (ONA) series produced by Studio Deen and directed by Shinobu Tagashira. It adapts various stories from Junji Ito, including The Hanging Balloons, Sōichi, and Tomie. It was released on Netflix in January 2023.
The series was originally announced on June 8, 2022; the series was announced to adapt stories from Junji Ito's The Hanging Balloons, Sōichi, and Tomie manga.[1] The series is directed by Shinobu Tagashira and produced by Studio Deen, with Kaoru Sawada writing the scripts and Yuki Hayashi composing the music, all of whom worked on the previous anthology series adapting Ito's works, Junji Ito Collection.[2] The series premiered on Netflix on January 19, 2023.[3] The opening theme song is "Paranoid" by MADKID, while the ending theme song is by Jyocho.[4]