Key the Metal Idol poster

Key the Metal Idol

TV Show 1994 30m/ep 5.1 /10 Ended
Created by Hiroaki Sato

Key the Metal Idol follows Tokiko Mima, called Key, a 17 year old who looks human but is a robot living in the Japanese countryside. When her grandfather Dr. Murao Mima dies, he leaves her a cryptic message: she can become a real girl if she can make thirty thousand friends. With that odd cue in... Read more

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Streaming availability last verified: January 19, 2026

About Key the Metal Idol

Key the Metal Idol follows Tokiko Mima, called Key, a 17 year old who looks human but is a robot living in the Japanese countryside. When her grandfather Dr. Murao Mima dies, he leaves her a cryptic message: she can become a real girl if she can make thirty thousand friends. With that odd cue in hand, Key moves from the quiet Mamio Valley to Tokyo's busy streets and reconnects with Sakura Kuriyagawa, a childhood friend. She grows fond of idol Miho Utsuse and hopes a musical career might help her reach the friend count. Miho hides a dangerous link to Jinsaku Ajou, a rival of Dr. Mima, and larger schemes unfold. The show balances quiet rural memory with neon city energy, hinting at a larger myth surrounding Key's existence.

Produced in Japan in 1994, Key the Metal Idol is the creation of Hiroaki Sato. Specifics about its directors or source material aren’t widely documented, but the project is framed around Sato's imaginative concept and ensemble voice cast.

Reception centers on its unusual blend of drama, sci fi and animation. The show uses Key's quest for humanity to explore identity and belonging, while framing fame and friendship against a backdrop of risk and revelation. It invites viewers to question what makes someone truly human.

No major award nominations are on record for this title. Given its niche status in the mid 90s anime landscape, Key the Metal Idol did not gain prominent awards, though fans and certain circles still recognize its bold concept and distinctive tone.

Although not a mainstream hit, the show earns a place in 90s anime discussions for its hybrid of robots, pop culture and coming of age. Its premise and visuals have kept it vividly in the memory of dedicated fans who seek unusual genre blends.

Details

Release Date
December 16, 1994
Episode Length
30m
User Ratings
7 votes
Type
TV Series
Seasons
1
Episodes
15
Status
Ended
Genres
Drama, Sci-Fi & Fantasy, Animation, Action & Adventure
Country
Japan
Studio
Pierrot
External Links
View on IMDB

Official Trailer

Cast

Junko Iwao

Junko Iwao

Tokiko "Key" Mima (voice)

Hiroshi Yanaka

Hiroshi Yanaka

Tomoyo Wakagi (voice)

Jurota Kosugi

Jurota Kosugi

Sergei / "D" (voice)

Miki Nagasawa

Miki Nagasawa

Sakura Kuriyagawa (voice)

Show Hayami

Show Hayami

Jinsaku Ajo (voice)

Toshiyuki Morikawa

Toshiyuki Morikawa

Shuuichi Tataki (voice)

Created by: Hiroaki Sato

Seasons (1 season, 15 episodes)

Season 1

Season 1

15 episodes - 1994

Frequently Asked Questions

Key the Metal Idol is available to stream on Amazon Prime Video and Crunchyroll. You can also rent or buy it on Amazon Video.

Yes, Key the Metal Idol is available to stream on Amazon Prime Video.

Yes, you can buy on Amazon Video.

Key the Metal Idol has 1 season with a total of 15 episodes.

With a rating of 5.1/10 from 7 viewers, Key the Metal Idol is a mixed bag - check out reviews to see if it's right for you.

Key the Metal Idol follows Tokiko Mima, called Key, a 17 year old who looks human but is a robot living in the Japanese countryside. When her grandfather Dr. Murao Mima dies, he leaves her a cryptic message: she can become a real girl if she can make thirty thousand friends. With that odd cue in ...

Key the Metal Idol stars Junko Iwao, Hiroshi Yanaka, Jurota Kosugi, Miki Nagasawa, and Show Hayami.

Key the Metal Idol was created by Hiroaki Sato.

Key the Metal Idol was released on December 16, 1994.

Key the Metal Idol is a Drama, Sci-Fi & Fantasy, Animation, and Action & Adventure series.

Key the Metal Idol has 1 season with 15 episodes and is listed as Ended, so there isn't a second season planned. The series concluded after its 15 episodes.

Tokiko 'Key' Mima's dying message from her grandfather says she can become a real girl if she makes thirty thousand friends. To pursue that goal, she moves to Tokyo and tries to become a singer to attract those friends.

Junko Iwao provides the voice for Tokiko 'Key' Mima. Key is a 17-year-old robot girl at the heart of the story, and her quest to become human drives the show.

Sakura Kuriyagawa is Key's childhood friend. She is voiced by Miki Nagasawa.