The BEST seasons of Duty After School

Every season of Duty After School ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Duty After School!

Unidentified sentient spheres take over the world. The Department of Defense, in a desperate bid to recruit more soldiers, offers college admission incentives to get 18-year-olds to sign up as part of the reserved forces. Students of the senior class at Sungjin High School sign up to become soldiers, and they soon become frontline fighters in the war.