Aragne: Sign of Vermillion

Rin, a university student struggling with anxiety, finds her new apartment to be far from the ideal living situation she was expecting. The rundown housing complex seems to be a hub for paranormal activity and violent crimes in the surrounding area, with a mysterious stranger frequently seen lurking around. As Rin delves deeper into the mysteries surrounding her new home, she discovers that the intersection of mythology, monstrosity, and scientific principles may be more sinister than she initially thought. Her search for answers leads her to meet a supportive library employee who shares some disturbing information.