Blue Archive the Animation

--- This is our place --- The enormous school city of 'Kivotos,' formed by thousands of schools. Here, conflicts among students armed with guns have become part of daily life. Amid this chaos, 'Abidos High School,' shrouded in sand, is on the verge of being closed. The story begins when five students from the 'Countermeasures Committee,' struggling to overcome the crisis, meet an 'adult' known as 'Sensei.' Students and youth, school and guns. What future are they striving for?