Narakusou奈楽荘; Narakuso

Masaya Haraguchi, a young man who moves into an old apartment to live alone for university, falls in love at first sight with a woman named Akana who lives downstairs. However, he soon realizes that hes not the only one captivated by her As he witnesses the eerie and bizarre behavior of the other apartment residents surrounding her, Masaya is struck with fear. Who exactly is she, and what is her true purpose?