Sena Ryo plays Shibusaki Natsumi, a dedicated high school social studies teacher who takes pride in her work and genuinely cares about her students' growth. However, the school principal, Musashigawa, sets his sights on the elegant and untouchable Natsumi, plotting to control her for his own desires. Fellow teachers caught in his conspiracy begin pressuring her, but Natsumi firmly resists. Witnessing the incident, student Nakagawa Makoto fears the loss of her trusted teacher and attempts suicide. Discovering this, Natsumi reaches out to Makoto, offering emotional support. At that moment, other students—now demonic figures—suddenly attack her. Natsumi transforms into the beautiful girl superheroine Elixircel to fight back, but a dark conspiracy rooted in the corrupt principal's twisted desires threatens to destroy the heroic Elixircel. As evil closes in, how will she overcome this ultimate crisis?