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Chiemi TanakaRikka (voice)
Natsumi MurakamiChiyo (voice)
Ayane SakuraSekine (voice)
Megumi HanTsubasa (Tsuyoshi) (voice)
Yu SerizawaTsubasa (Older Sister) (voice)
Yuya HiroseHanzо̄ (voice)
Yoji UedaBrian-sensei (voice)
Tomoko KanedaMaskuma (voice)
Hochu OtsukaNarration (voice)
Daisuke OnoHead of the Research Institute (voice)
