Series synopsis
Necronomico and the Cosmic Horror Show, also known as ネクロノミ子のコズミックホラーショウ is a Japanese animation action & adventure comedy sci-fi & fantasy television series that premiered on Tokyo MX on July 1, 2025. It ended on September 16, 2025. It stars Riho Sugiyama, Nana Hasumi, Manaka Iwami and Reiji Kawashima.
Miko Kurono, also known as Necronomico, graduates from middle school and decides to pursue her dreams of becoming a streamer. One day, as she’s with her childhood friend, Mayu Mayusaka, and her rival, Kanna Kagurasaka, she accepts an offer to play a new VR game. The game gives Miko the opportunity to take on mysterious challenges with other unique streamers she meets within the VR world.
Premise
Miko Kurono, also known as Necronomico, graduates from middle school and decides to pursue her dreams of becoming a streamer. One day, as she’s with her childhood friend, Mayu Mayusaka, and her rival, Kanna Kagurasaka, she accepts an offer to play a new VR game. The game gives Miko the opportunity to take on mysterious challenges with other unique streamers she meets within the VR world.
Cast and characters
Leading cast
- Riho Sugiyama as Miko Kurono (voice)
- Nana Hasumi as Kanna Kagurazaka (voice)
- Manaka Iwami as Mayu Mayusaka / Cthulhu (voice)
- Reiji Kawashima as Eita (voice)
- Hiroki Yasumoto as Tick Tock Man (voice)
- Kazuyuki Okitsu as Hastur (voice)
- Katsuyuki Konishi as Ghatanothoa (voice)
- Ayasa Ito as Cthugha (voice)
Supporting cast
Guest cast
- Yashiro Kizuku as Yashiro Kizuku (voice)
- Joe Rikiichi as Joe Rikiichi
- Masayuki Akasaka as (voice)
- Seiyuu Fujiwara as (voice)
- Saya Fukuzumi as (voice)
- Yu Haruichi as (voice)
- Yuji Kameyama as (voice)
- Koichi Kuroda as (voice)
- Momoko Miyashiro as (voice)
- Rui Tanabe as (voice)
- Kanon Amane as Daifuku (voice)
- Gentoku as Manager (voice)
Episodes
This series spans 1 season with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | July 1, 2025 | September 16, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
[No Spoilers!] Let's Play the Old Ones' Demo [Cthulhu] Struggling streamer Miko Kurono joins the new VR game "KADATH" to change her fate, after a wave of mysterious incidents where popular streamers collapse during livestreams. She soon discovers the game is a deadly trap by the gods and must survive the unfolding cosmic horror. |
July 1, 2025 |
| 2 |
[SAN Check] Small Streamers Collab! [Great Old Ones] The first game against the Great Old Ones begins. |
July 8, 2025 |
| 3 |
[PvE] Just Another Day at the Old Ones' Academy [Shoggoth] Eita adds a new rule to the game. |
July 15, 2025 |
Production
Release
| Original network/platform | Tokyo MX |
|---|---|
| First aired | July 1, 2025 |
| Last aired | September 16, 2025 |
| Runtime | 24 minutes |
| Status | ended |
| Schedule | Tuesday at 21:30:00 |