The original series ran for twenty-three volumes which Yen Press has put out in omnibus editions.
The manga began in 1998 and an anime adaptation was produced in 2001 that ran for twenty-six episodes.
The upcoming Fruits Basket complete anime series is getting closer by the day and we learned recently that the series is set for spring 2019 debut in April.
Masaru Shindo is handling the character designs with TMS Entertainment handling the production. Check out our review of the original series.