Have You Seen Napoleon?.

Sebastian is an eccentric piano teacher with a penchant for Beethoven and impossible love affairs. Secretly infatuated with his student's sister, Roxanne, he resolves to declare his love for her as he heads to their house for his weekly lesson. But his plans are threatened by the arrival of the one thing Sebastian fears most, his most sinister nightmares incarnate: a nauseatingly cute kitten.