A zöld torony (1985)

The Green Tower is an imaginary place which built up by 3 long-lasting friends of the same class, 2 guys and a girl. They spend all of their time off creating new elements, until a new, beautiful girl shows up in their classroom. The girl targets all of them, the girl as a rival, the boys as potential boyfriends one after the other. Soon they realize the emptiness hidden behind the beauty, and the guys want make reverse the situation but it seems to be over.