Surprise S01 E03

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))

secret identity friendship supernatural slice of life alien school based on manga anime