In their blissful junior high school life, best pals Tokieda Airi and Sahara Taki garner a lot of attention, making them an ideal target for the mysterious "F" group. This notorious group has caused harm to numerous spotlight-seeking pupils, and now they aim to dismantle the unbreakable bond between Airi and Taki. When they fail, they stoop lower, setting their sights on Airi's sister, Nako. Their once-charmed school life is now a nightmare, and the duo must act quickly to unearth the faces behind "F".
