Here's Ayu's filmography. IMDb is your friend.
I'm not sure whether this list is complete or not, but if it is, well, the movies she starred in are:
1. Gakko II (1996)
... aka Class to Remember 2, A (1996)
2. "Miseinen" (1995) TV Series
3. Sumomo mo momo (1995) .... Kuriko
4. Nagisa no Shindobaddo (1995) .... Kasane Aihara
... aka Like Grains of Sand (1995) (USA)