The Four Girls’ Secrets S01 E01

Chiemi Tanaka (as Rikka (voice)) Natsumi Murakami (as Chiyo (voice)) Ayane Sakura (as Sekine (voice)) Megumi Han (as Tsubasa (Tsuyoshi) (voice)) Yu Serizawa (as Tsubasa (Older Sister) (voice)) Yuya Hirose (as Hanzо̄ (voice)) Yoji Ueda (as Brian-sensei (voice)) Tomoko Kaneda (as Maskuma (voice)) Hochu Otsuka (as Narration (voice)) Daisuke Ono (as Head of the Research Institute (voice))

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