Momochi-san Chi no Ayakashi Ouji

On her sixteenth birthday, the orphaned Himari Momochi unexpectedly inherits a mysterious estate: the ancient Momochi House. Upon arriving, she discovers the residence sits on the fragile boundary between the human world and the realm of ayakashi, powerful spiritual beings. To maintain the balance, she must assume the role of its guardian.

Within the house, she encounters three enigmatic residents: the dutiful Yukari, the mischievous Ise, and the peculiar Aoi, a boy shrouded in mystery who claims to be the house's true master. This anime weaves a tale of supernatural duty, hidden pasts, and the bonds that form between humans and spirits, as Himari navigates her new life at the crossroads of two worlds.