A young lady uses musical superpowers to slice and kill aliens lurking on Earth. Her name is Aki Haruka... A former singer for the Angel Stars known as Arachne. The Superhuman Bureau's investigation reveals her to be hiding out in a hospital that is illegally operated by Judas. Then Jiro escapes with Aki in order to protect her from those in pursuit. While on the run, Jiro starts telling Aki a story from two years ago about Rainbow Knight's helmet and a space being called a Fumer.
Aki Toyosaki
Kino Emi (voice)
Eriko Nakamura
Fûrôta (voice)
Tokuyoshi Kawashima
Yoshimura Hyôma (voice)
Kaito Ishikawa
Hitoyoshi Jirô (voice)
Kenichi Suzumura
Shiba Raito (voice)
Toru Okawa
Uru (voice)
Sumire Uesaka
Hoshino Kikko (voice)
Tetsuo Kanao
Akita Daishi (voice)
Shin-ichiro Miki
Hitoyoshi Magotake (voice)