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.

Daisuke Ono

Kakeru Satsuki

Ayano Niina

Weltall Lisette

Chiaki Takahashi

Saiko Akamine

Mai Gotou

Yuka Minase

Emiko Hagiwara

Shiori Momono

Noriko Rikimaru

Kukuri Tachibana

Yuu Asakawa

Misuzu Kusakabe

Yokote Kumiko

Superbia / Misao Kusakabe

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