Satsuki Kakeru lost his sister by suicide and has been living a dull life ever since then. One day, he is transported into a bizarre world "Red Night" along with his friend Minase Yuka. In order to survive and escape from Red Night, he fights against Dark Spirits (Ralva) and Black Nights.
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as Kakeru Satsuki
as Weltall Lisette
as Saiko Akamine
as Yuka Minase
as Shiori Momono
as Kukuri Tachibana
as Misuzu Kusakabe
as Superbia / Misao Kusakabe
as Kaori Natsuki
as Yukiko Hirohara
