Necronomico and the Cosmic Horror Show

Synopsis

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.

First Air Date: 2025-07-01

Last Air Date: 2025-09-16

Number of Seasons: 1

Number of Episodes: 12

Networks: Tokyo MX

View Technical Specifications on IMDb

Top 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)
Zhar as Zhar
Lloigor as Lloigor

Seasons

Season 1 (2025)

No overview available for this season.

Episodes:

Ep. 1: [No Spoilers!] Let's Play the Old Ones' Demo [Cthulhu] (2025-07-01)

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.
Ep. 2: [SAN Check] Small Streamers Collab! [Great Old Ones] (2025-07-08)

The first game against the Great Old Ones begins.
Ep. 3: [PvE] Just Another Day at the Old Ones' Academy [Shoggoth] (2025-07-15)

Eita adds a new rule to the game.
Ep. 4: [Puzzle Game] Welcome to Hotel Reversal [Escape Room] (2025-07-22)

The Great Old Ones' next game is an escape room.
Ep. 5: [Up and Down] Is Humanity Quiz a Kusoge? [Stole 1 Mil] (2025-07-29)

The streamers attend the third game of the Cosmic Horror Show, this time hosted by Ghatanothoa.
Ep. 6: [Foodie] Summoned for a Day With the Old Ones [Ancient City] (2025-08-05)

The Great Old Ones manifest in the real world for a day of fun.
Ep. 7: [Old Awakening] Kyoto Tower Defense [Cthugha] (2025-08-12)

The battle to defend Kyoto from the Great Old Ones' armies begins.
Ep. 8: [Putting Out Fires] Miko and Kanna's TV Shot! [Top Cultist] (2025-08-19)

Humanity begins to go mad as the last game approaches.
Ep. 9: [Finals] Crying Out Family in the Mountains of Madness [Hastur] (2025-08-26)

The last game begins at the Mountains of Madness.
Ep. 10: [Raising Sim] I Made Me, and It's Got My Heart Thumping [Ghatanothoa] (2025-09-02)

Ghatanothoa makes a special game for Kanna to play.
Ep. 11: [R'lyeh] Return from the Unlighted Chambers [Cthulhu] (2025-09-09)

In the final phase, Miko has to overcome a lot of obstacles if she wants to reach Cthulhu.
Ep. 12: [The End?] The Call of Necronomico [Fin?] (2025-09-16)

The last game begins.