false 2026-09-27 10:08:37 Chiemi Tanaka Rikka (voice) Actor 7869224 45090 1809957 Natsumi Murakami Chiyo (voice) Actor 7928058 45216 2276004 Ayane Sakura Sekine (voice) Actor 992869 307452 20762 Megumi Han Tsubasa (Tsuyoshi) (voice) Actor 448669 27977 1164931 Yu Serizawa Tsubasa (Older Sister) (voice) Actor 7915650 1356201 Yuya Hirose Hanzо̄ (voice) Actor 1647556 Yoji Ueda Brian-sensei (voice) Actor 8085473 1264228 Tomoko Kaneda Maskuma (voice) Actor Hochu Otsuka Narration (voice) Actor 303142 552683 Daisuke Ono Head of the Research Institute (voice) Actor 292931 250 1241498 2022 Season 1 1992482 2022-10-16 2022-10-16 1992482 1