At a mysterious all-girls school, newcomers like Iris arrive in coffins, setting the stage for an unsettling journey. The enigmatic faculty leads the students through magical woods, where daylight brings whimsical dances. However, as night falls, darker truths emerge, challenging the girls' perceptions of innocence and maturity. The line between enchantment and menace becomes increasingly blurred, revealing the academy's unsettling secrets and the girls' struggles to navigate their awakening.