Rated 19 begins on the first day back from holiday break, with only a few months of high school left until a shocking announcement changes everything. In this parallel world, everyone over the age of 19 vanishes, and the remaining teens awaken abilities and strengths beyond normal limits. As new rules shape a brutal order of survival and supremacy, you step into the role of a young man caught in the chaos. Navigate shifting loyalties, hidden desires, and the schemes of unseen masterminds as you fight to carve out your future in a world ruled only by teenagers.