![Superhuman-Machine Metalder](https://image.tmdb.org/t/p/w300/A1hSmsKxmHiw7z8V12Hv3zYHKC.jpg)
Superhuman-Machine Metalder - Season 1 Episode 21 A Citywide Mystery・The Beautiful Girl Who Calls Fireflies
- Genre: Action & Adventure, Drama, Sci-Fi & Fantasy, Kids
- Studio: tv asahi
- Keyword: superhero, metal hero, henshin heroes, tokusatsu
- Cast: Seiko Seno, Takahashi Kazuoki, Hayashiya Genpei, Tsushima Seiji, Michirō Iida, Hiroko Aota