Best friends Tokieda Airi and Sahara Taki have had a happy junior high school life, but the mysterious group F begins to target them because they attract too much attention! F has already hurt many attention-grabbing students, and they begin their attacks on Airi and Taki by trying to split the best friends apart. When this method doesn\'t work, they sink even lower: they target Airi\'s sister Nako! Airi and Taki\'s beautiful school life has been ruined, and now they must race to reveal the culprits of F...