Welcome to the Death Weapon Meister Academy where Tsugumi Harudori embarks on her first day in the 'NOT' class. Here, students like Tsugumi, who can transform into weapons, train alongside meisters. As she navigates the academy's challenges, including her goal of advancing to the prestigious 'EAT' class, Tsugumi must discover her inner strength and forge a crucial partnership in this whirlwind school environment.