Nanako Matsutaka

As an ordinary university student, this protagonist finds her life upended after enrolling in the enigmatic Abnormal Physiology Seminar. While she initially strives to maintain her sanity and composure, the eccentric and unsettling personalities of her new classmates begin to take a heavy toll. Slowly, the influence of these abnormal peers begins to warp her mental state, dragging her deeper into their strange and chaotic world.