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When mysterious alien spheres start invading the world, high school students are called upon to join the world’s first war against extraterrestrial forces.
10 Episodes
as Lee Chun-ho
as Kim Chi-yeol
as Park Eun-young
as Guk Young-su
as Kwon Il-ha
as Kim Duk-joong
as Kim You-jung
as Kim In-hye
as Roh Ae-sul
as Doh Su-chul
as Yeon Bo-ra
as Wang Tae-man
as Lee Na-ra
as Lee Soon Yi
as Jang Young-hoon
as Jo Young-shin
as Jo Jang-su
as Cha So-yeon
as Woo Hee-rak
as Choi Yeon-ju
as Kim Won-bin
as Im Woo-taek
as Yoo Ha-Na
as Hong Jun Hee
as Park So Yoon
2015
2021
2022
2009
2022
2023
2023
2022
2022
2023
2023
2018
2024
2023
2019
2023
