* Musicsheets.info: This website offers a wide variety of piano sheet music, including the Fruits Basket theme song. You can download the sheet music for free in PDF or MIDI format.
* 8notes.com: This website also offers a large collection of piano sheet music, including the Fruits Basket theme song. You can download the sheet music for free in PDF or MIDI format.
* Sheetmusicdirect.com: This website sells sheet music for a variety of instruments, including piano. You can purchase the Fruits Basket theme song sheet music for a small fee.
In addition to these websites, you may also be able to find piano sheet music for the Fruits Basket theme song in music stores or libraries.