Duty After School Season 1 Episode 1
Question the Spheres
For a year, people learn to live with the spheres without suffering any specific changes. Even with the alien-looking spheres floating all over the sky, the CSAT is what matters the most to seniors of Sungjin High School. When the exam is just around the corner, one of the spheres drops on a military camp for the first time, and more shocking news awaits them.
Guest Stars
Son Ji-na
[Yeon Bo Ra's mother]
Yoo Dam-Yeon
[Kim Chi Yeol's mother]
Jang Hyuk-jin
[Kim Chi Yeol's father]
Shim So-young
[Kook Young Soo's mother]
Kim Do-yeon
[Kim Deok Joong's mother]