Season
Season 1 Episode
- Season 1 Question the Spheres
- Season 1 Military Training Begins
- Season 1 School Escape
- Season 1 Become the Villain
- Season 1 Will We Ever Go Home?
- Season 1 Fight or Flight
- Season 1 Disagreement Among Classmates
- Season 1 Prisoners at Yongwon Penitentiary
- Season 1 For Whom the Bell Tolls
- Season 1 End of the War
Duty After School
8.19 70 minutes When mysterious alien spheres start invading the world, high school students are called upon to join the world's first war against extraterrestrial forces.
