Poison Ivy II (1996) online

Lily is a sheltered art student from Michigan going to school in California. She finds an apartment and her roommates aren't quite normal. One day she finds a box of items belonging to a girl she's never met before. But in the box are nude pictures of the girl and her diary. Lily begins reading the diary and realizes that she's going to change her life and become a wild woman! She begins dating a guy and at the same time her art instructor begins to lust after her. The struggle begins when her boyfriend thinks she's unfaithful to him and her art teacher becomes obsessed.