School Shock manga summary: School Shock takes place in the year 2017, and a new generation arms race has begun. Shun Hao Xuan is a normal teenager that plans on simply living with no real goals. That all changes one day when he’s taken hostage by insurgents. He is the first one chosen to be executed, but he is miraculously saved by a beautiful girl in strange battle armor. XX AD, a new generation of arms race is beginning. "Vanguards" are the new type of weapons being used on the battlefield. Liu Li is a Vanguard that is about to retire. In her last 380 days she receives her final mission...