Fruits Basket Another Vol. 3 (manga)

Sawa Mitoma has officially lived every high school girl's dream by breathing in limited-edition Sohma cottage air and landing a date with a Sohma heartthrob. That is, until she's thrust face-to-face with a disturbing truth...
...that threatens to revert her back to her past self. The last thing she wants is for the Sohmas to get involved, but it turns out there's more to the truth than she remembers...Don't miss the grand finale of Fruits Basket Another!