One of a kind and 'transgressive' is the word!
Transgression(1987)
La trasgressione
A college student studying for an upcoming test attempts to calm his frazzled nerves by taking drugs, and experiences a series of vivid, erotic hallucinations. When a beautiful woman appears to teach him the secrets of sexual ecstasy, he begins to fear that he will lose her forever once the effects of the drug wear off.
