You just wanted to graduate peacefully but that didn't seem to be anyone's plan. An Y/n , a senior worked so hard to boost up her grades heading in the direction of the CSAT but it all comes to a halt when the military decides seniors have to be trained to help with South Korea's fight against an unknown enemy. How will relationships change with everything going around them, will new ones form creating life long bonds? Or will some fall apart? All An Y/n knows to do is shoot. - - - - - A Duty after school x reader story. All rights go to those who created duty after school and I do not own any characters except Y/n. Started : 7 / 5 / 2023 Finished : 6 / 7 / 2023 Editing : 25 / 8 / 2023 - 26 / 12 / 2023 Rankings: 1# Ilha 1# Kimchi 2# Bora 5# Soyeon 4# Hana