Toru Honda is an orphaned high school girl who lived with her grandfather since her other died.
Soon her grandfather's house needed to be remodeled and Toru decided to live in a tent.
She then bumps into her friend Yuki Sohma who offers her to live with some of his relatives in exchange for cooking and housework. Toru soon moves in due to a landslide burying her tent and all her belongings.
Toru meets more of Yuki's relatives like Shigure Sohma and Kyo Shoma.
She is delighted on meeting them but then discovers a dark secret , the Shomas are cursed!
all 13 of the Shomas are the 12 zodiac animals, plus a cat who by legend was left out of the zodiac. Whenever one of the Shomas is hugged by the opposite sex they transform into that zodiac animal! Toru is very touched by all of the hardships that the Shoma's have gone through and sets out to try and break the curse.

This is a delightful story but it's not for you if you don't like cross dressers. very, very well written! I also heard there is a Fruits Basket anime. I really think that manga fans should read this. The series hasn't ended yet... I can't wait to find out the ending!!!!